Answers edited by Geoff K.
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I have tried to solve number a and b, but I am confused to solve number c. Would you be so kind to help me please? It's about mathematical statistics. I am studying for my midterm. Thank you very much for your help before.
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What is the square root of ax^2+bx+c?
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A flagpole is 53 feet tall. A rope is tied to the top of the flagpole and secured to the ground 28 feet from the base of the flagpole. What is the length of the rope?
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P(B)= 9/20 P(A and B)= 9/100 P(A)=?
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How do you find the new mean for a normal distribution, given standard deviation and probability?
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What is the probability of getting exactly #2# three's when rolling #4# fair, #6#-sided die?
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In how many ways can 4 consonants and 2 vowels be selected in the English alphabet consisting of 21 consonants and 5 vowels?
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What is the solution to this system of equations?
#{:(y=10+6x),(y=6x):}#
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What is the sample mean for the data?
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How many ways can you arrange the letters in the word factor?
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Let #X# be #N(mu, sigma^2)# so that #P(X<89) = 0.90# and #P(X<94) = 0.95#. How do you find #mu# and #sigma^2#?
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How many ways? can 4 person is throwing a dice. Make a sum of 6
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What are the discontinuities and asymptotes for the rational function?
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Can anyone help ? Show that the pair of triangles is congruent. Then find the missing measures in the diagram.
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What is the probability that of 25 randomly selected students, no two share the same birthday?
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How do you simplify #(x-5)/(4x-28)# and what are the restrictions?
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How do you evaluate # csc^-1 (cos(4/7))#?
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A banker finds that the number of times people use automated-teller machines in a year are normally distributed with a mean of 40.0 and a standard deviation of 11.4. What is the percentage of customers who use them less than 25 times?
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What is the difference between the confidence interval and margin of error?
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How do we solve this? I applied the fundamental theorem of calculus and know that f(x) = 1/x and n=b/a, but this is not the correct answer.
Can someone please help? Thanks in advance
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Please can you help with a question on probability from the Venn diagram given. ?
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How do overlapping events differ from mutually exclusive events?
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-4/5 x + 2/3 = 1 and 3/4x +2
What is x?
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Which of the following pairs are equivalent expressions?
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You roll a number cube. What are the odds that you will roll an even number?
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Find every way that the team can toss the coin during the week and scrimmage first only twice?
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On average a shop sells 750 kg per day with a standard deviation of 60 kilo’s. We assume sales are normal. If the shop has 850 kilograms in stock at the beginning of the day, what is the probability it runs out that day?
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If a fair coin is flipped #5# times, what is the probability that there will be at least #3# tails?
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Two teams, say the Celtics and the Cavs, are playing a seven game series. The Cavs are a better team and have a 60% chance of winning each game.
What is the probability that the Celtics win at least one game? Remember that the Celtics must win one of the
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What fraction is equivalent to 3/8 and has four as the denominator?
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The question in the picture below..?
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Help me answer this question.....? (question in picture below)
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A school attendance clerk noticed that the first week after winter break 5 students were out with the flu. By the end of the second week, a total of 7 students had come down with the flu at one time and by the third week 10 had the flu at one time?
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What does a correlation coefficient represent?
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????The domain of a function ƒ(x) is {xϵℝ/-1<x<5} a)Determine the domain of ƒ(x+5) b)Determine the domain of ƒ(-2x+5)
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Joint probability- mean and variance? Pl refer image attached
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The orange graph is the function f(x). How do you describe the transformations on the pink graph and write an equation for it?
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How many positive numbers can be made from the digits 1, 2, 3, 4, 5, 6, 7, 8 and 9 so that they are smaller than 800? The digits can repeat.
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A random sample of #n=100# is drawn from a Binomial distribution, yielding an average of 0.25. What is the mean and standard deviation of #hatp#? What is the probability that #p# is between 0.18 and 0.46?
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Ms. Fox asked her class is the sum of 4.2 and square root of 2 rational or irrational? Patrick answered that the sum would be irrational. State whether Patrick is correct or incorrect. Justify your reasoning.
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Robert is writing a test with 20 multiple choice questions, each with 4 possible answers. If he selects his answers by random guessing, how many questions is he expected to answer correctly?
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Please help! I don't know how to calculate?
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If f(x+1)=2x+7 then f(0) is equal to?
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What is the median and mean number of hours for these students?
Any help would be greatly appreciated!
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How to find the probabilty in this question?
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Help me to solve about moment generating function please? I will use this for study in preparing my midterm of mathematical statistics because I am still low in this topic. Thank you very much for your help before.
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Please help?
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#int (1)/(sqrt(4x^2-9))dx=#?
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The first term of geometric term is 6 and comman ratio is 3 what is the 6th term??
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What is 1.5 repeated as a fraction?
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How many different 7-digit positive integers exist? (Note that we don't allow "7-digit" integers that start with 0, such as 0123456; this is actually a 6-digit integer.)
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Let f=(x/2)+3 be defined on the closed interval {-2,4}, estimate the area under the graph of f above the x-axis using: a. 6 left endpoint rectangles b) 6 right endpoint rectangles?
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Two angles that share a common vertex and a common side between them are called what kind of angles?
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The scenario may be considered which of the following?
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The number of accidents is .4 accidents / day. What is the probability that the time from now to the next accident will be more than 3 days?What is the probability that the the time from now to the 3rd accident will be more than 5 days?
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How many possible ways to vote?
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Given a normal deck of # 52 # cards. If I draw five cards from the deck, what is the probability that all five cards are evenly divisible by # 3? # (assume jacks, queens, kings, and aces to not be divisible by # 3#
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Jason wants to buy a $9000 car. He agrees to make a down payment of 20%, and make monthly payments of $201.50 for 60 months. How much will he spend on the car in total?
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For angles u and v in quadrant II, if sin u = 3/5 and cos v = –5/13, how do you find the exact value of sin (v – u)?
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What is the circumference of a circle with a diameter of 17 m?
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#d/dx log_x x#?
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I just learnt the whisker-plot (box-plot) and will go with the option #C# and #D#. I just want you to make me correct if I am wrong or provide the explanation if my choices are right?
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Expected Value for the Ohio Pick 4 Lottery In the Ohio Pick 4 lottery, you can bet $1 by selecting four digits, each between 0 and 9 inclusive. If the same four numbers are drawn in the same order, you win and collect $5000?
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Absolute Value Graph help pls?