Answers created by Jason K.
 Back to user's profile

Next

Question #fb8ba

A card is drawn from a shuffled deck of 52 cards, and not replaced. Then a second card is drawn. What is the probability that the second card is a king?

What is the conditional probability that a card drawn at random from a pack of 52 cards is a face card, given that the drawn card is a spade?

Numbers that are palindromes read the same forward and backward, For example, 30203 is a fivedigit palindrome. If a single number is chosen randomly from the set of all twodigit numbers, what is the probability that it will be palindromic?

The medical records for a class of 28 children show whether they had previously had measles or mumps. The records show 22 have had measles, 13 have had measles and mumps, and 27 have had measles or mumps. How many children had mumps?

How to solve extended response question using probability?

How do you write a polynomials of least degree with integer coefficients that has the given zeros in expanded form?

How do you find a set of numbers that will satisfy the following conditions?

How to do this hypothesis testing question?

A heterozygous whitefruited squash plant is crossed with a yellowfruited plant, yielding 200 seeds. Does the data support or not support the hypothesis?

Question #71f41

A projectile is shot from the ground at a velocity of #1 m/s# and at an angle of #(7pi)/12#. How long will it take for the projectile to land?

What is the interquartile range of the set of data: 67, 58, 79, 85, 80, 72, 75, 76, 59, 55, 62, 67, 80?

Question is about zscores....?

Question #aac39

Question #2cf0b

A bag contains 12 sweets, of which 5 are red, 4 are green and 3 are yellow. 3 sweets are chosen without replacement. What is the probability that he chooses 1 sweet of each color?

Question #ac7d4

How do you find the area under the normal distribution curve to the right of z = –3.24?

Question #31a86

For a normal distribution, what is the probability that the data falls somewhere .5 standard deviations from the mean?

Question #b0568

Barbara and John and six other people go through a doorway one at a time. Find the number of ways in which the eight people can go through the doorway if John goes through the doorway after Barbara?

Question #57c64

Question #f19b2

Question #6bcb7

Seven athletes participate in a 100meter sprint event. How many possible finishes are there for the first 3 positions?

How do you use synthetic division and the Remainder Theorem to find #P(a)#, if #P(x) = 6x^4+19x^32x^244x24# and #a=2/3#?

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?

Question #28892

How does an outlier affect the mean of a population?

Question #fb52f

A set of data has a normal distribution with a mean of 180 and a standard deviation of 20. What percent of the data is in the interval 140  220?

Question #9f54d

Question #9cbb8

Using the figure below, estimate the following?

A banker finds that the number of times people use automatedteller 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?

A batch of 200 phones contains 195 good phones and 5 defective ones. If 2 phones are selected at random, what is the probability of selecting 1 working phone and 1 defective phone?

One card is selected at random from a deck of cards. What is the probability that the card selected is a spade or a queen?

How do you find the center and vertices of the ellipse #x^2/25+y^2/16=1#?

Question #ddd87

How do you divide #\frac { 42x ^ { 5}  30x ^ { 4} + 30x ^ { 2} } {  6x ^ { 2} }#?

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?

A fair 6sided die is rolled three times. Find the probability that the sum of the three dice is 4 ?

Catfish weights are normally distributed with a mean of 3.2 pounds and a standard deviation of 0.8 pounds. What is the probability that a randomly selected catfish weighs between 3 and 4 pounds?

Question #786ba

How do you evaluate #(x ^ { 2}  10x ^ { 2} + 30x + 76) \div ( x ^ { 2}  4x  7)#?

How do you evaluate #(5 8i ) ( 5 5i )#?

Optimization  Find the surface area of a domed cylinder?

The mean score for a standardized test is 1700 points. The results are normally distributed with a standard deviation of 75 points. What is the zscore test result of 1800 points?

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?

How to find the rate at which water is being pumped into the tank in cubic centimeters per minute? details below:

Question #ae7c0

How do you find the inverse of #A=##((4, 9, 15), (15, 17, 6), (24, 0, 17))#?

How do you describe the end behavior for #f(x)=x^5+4x^32x2#?

What is the value of b?

Question #a5339

How do you solve the system #3x+5y2z=20#, #4x10yz=25#, #x+yz=5#?

Question #c84c8

How do you find all points of inflection given #y=2x^2+4x+4#?

Please write the equation of the conic section given the following information?:
A hyperbola with vertices #(0,6)# and #(0,6)# and asymptotes #y=3/4x# and #y=3/4x#

How do you write an equation of a ellipse with center (0,4) and a=2c, vertices (4,4), (4,4)?

Question #69994

How do you write the trigonometric form of #1+6i#?

Question #e7bdd

Question #eae0d

What are the domain and range for #x^2 + 9y^2 = 25#?

How do you solve #9x ^ { 4} + 18x ^ { 3} + 9x ^ { 2} = 0#?

How do you divide #6x^3+5x^24x+4# by #2x+3#?

Question #6f115

Question #bc61b

Question #42a53

How do you write #1i# in trigonometric form?

What are the leading coefficient and degree of the polynomial #12u ^ { 7} + 5+ 7u ^ { 5}  23u ^ { 2}#?

How do you evaluate #\lim _ { x \rightarrow 2} \frac { \frac { 1} { x }  \frac { 1} { 2} } { x  2}#?

How do you use the properties of logarithms to expand #ln((x^4sqrty)/z^5)#?

Question #9ae7b

Question #0b5ad

How do you factor #8x ^ { 3} + 7x ^ { 2}  32x + 28# completely?

How do you integrate #int (3x2x^2)/((x+9)(x+7)(x+1)) # using partial fractions?

Given there is f(x) = #(3x)/(x^2+1)#=c. How many roots does f(x) has for
a ) c>#3/2#
b) c=#3/2#
c) 0<c<#3/2#?

Determine the value of the constant ''a'' for wich the funcion is continuous at x==5
f={(x^2+6x+5)/x+5 if x not equal 5
a if x = 5 ?

What's the function whose roots are #2i (m2), 4i, and i\sqrt 3#?

What is the equation of the tangent line of #f(x)=1/xsqrt(x+1) # at #x=3#?

How do you evaluate #f(x)=x^4+x^3x+1# at x=3 using direct substitution and synthetic division?

Question #a2849

Express K in terms of L ?? #log_3 K  log_9 L = 2#

How do you find the derivative using limits of #f(x)=sqrt(x+1)#?

How are these calculus questions different?

Help! Find all zeros: #f(x)=3x^732x^6+28x^5+591x^41181x^32810x^2+5550x1125#?

Question #2cc5b

Question #f094e

Question #43247

What is the correct option from given options?
pls explain your answer

Adele went to the post office to buy stamps and postcards. She bought a total of 25 stamps, some 39cent stamps and the rest 23cent postcards. If she paid $8.47 altogether, how many 39cent stamps did she buy?

Question #8c403

How do you sketch the graph that satisfies f'(x)>0 when 1<x<3, f'(x)<0 when x<1 and when x>3, and f(1)=0, f(3)=4?

Question #8b3ee

How do you solve using gaussian elimination or gaussjordan elimination, #x2y+z=1#, #2x3y+z=5#, #x2y+3z=13#?

How do you differentiate #f(x)=(x^3)(ln3x)(e^x) # using the product rule?

Next