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How do you find the sum of the infinite geometric series 8  10 + 12.5  15.625 + ...?

What z score corresponds to a one sided pvalue of 93%?

The angle of elevation is 19°20' from a ship at sea to the top of a 159 ft lighthouse. How do you find, to three significant digits, the distance of the ship from the base of the lighthouse?

What hypothesis test do you use when the population variance is unknown?

What are the critical values of #f(x)=4x^2+2x+1#?

What is the zscore of a 97.5% one sided pvalue?

Question #e85fa

How to simplify #(3.3 times 10^4)(3times10^18)# in scientific notation?

How do you find the critical points for # f(x)=x^36x^2+12x6#?

Where should I draw the asymptotes of #(x+2)^2/4(y+1)^2/16=1#?

What are the extrema of #f(x)=sinxcosx# on the interval #[0,2pi]#?

How do you solve #ln(x)=x2#?

What is the formula for finding the length of an arc, using radians and degrees?

How do you solve the triangle if it has legs with lengths of 18 and 28 and there is a 90 degree angle, X and Y are the other two angles?

What is the difference between continuous and discrete data?

If X and Y are uncorrelated variables, what is Var(X+Y) in terms of Var(X) and Var(Y)?

If you regress random variable Y against random variable X, would the results be the same if you regressed X against Y?

Question #a72dd

Question #54481

How do you find the volume of the region enclosed by the curves #y=x#, #y=x#, and #x=1# rotated about the y axis?

How do you find the general solutions for #cos (x)^4sin (x)^4=2*cos (x)*cos(2x)#?

Question #36631

Question #6f7ed

Question #f9702

How do you solve #2^(2x) + 2^(x + 2)  12 = 0#?

In a Unit Circle what do the radian values mean?

How do you simplify #i^42#?

How do you find the vertex and axis of symmetry, and then graph the parabola
given by: # f(x)=(x+2)^28#?

How do you use synthetic division to find: f(2): #f(x) = 3x^4  2x^2 + 1#?

How do you use the shell method to set up and evaluate the integral that gives the volume of the solid generated by revolving the plane region #y=2x#, #2<=x<=4# rotated about the xaxis?

On a ship sailing north, a woman notices that a hotel on a shore has a bearing of 20. A little while later, after having sailed 40km, she observes that the bearing of the hotel is now 100. How far is the ship from the hotel?

Question #05ff8

1545 subjects were given ginko & 1524 placebo. In ginko group, 246 developed dementian & in the placebo it was 277 with dementia. Significance level=0.01 to test claim(ginko is effective in dementia) Can you test claim and construct confidence interval?

If the equation of a conic section is #(x3)^2/49+(y4)^2/13=1#, how has its center been translated?

Question #23b0f

Why can the median of a data set differ from the mean?

Question #26b22

Question #0f302

What is the difference between a normal and binomial distribution?

Men ages(2029) have meanheight 69.3 with s.dev of 2.5 in. An analyst wonders if sd of majorleague players less than 2.5 in. Heights of 20 random players are:72, 74, 71, 72,76,70,77,75,72,72,77,73,75,70,73,74,75,73,74,73. Can you help me find the P value?

How do you convert 202.5 degrees to radians?

What is the mathematical difference between the probability density functions of a normal distribution and a standard normal distribution?

How do you solve #sqrt(x5)  sqrt(2x3) = 2#?

Question #8fed0

How do you use partial fraction decomposition to decompose the fraction to integrate #(2x+1)/((x+1)^2(x^2+4)^2)#?

What does a zscore indicate?

How does a linear regression differ from a multiple linear regression?

What is the expected value of a lottery ticket which pays $10 million if the ticket contains the six winning numbers chosen from the set {1,2,3,...,50}?

If you roll a die #100# times and get #15# ones, what is the probability that the die is not fair? What about if you get #5# ones?

Question #60d5b

What is the difference between the RSquared and adjusted RSquared when running a regression analysis?

Question #0b699

How do you use the method of cylindrical shells to find the volume generated by rotating the region bounded by #y=e^(−x^2)#, y=0, x=0, and x=1 about the y axis?

Is it possible for 75% of the data to be above the median?

What is the formula for instantaneous velocity?

How do you determine whether a linear system has one solution, many solutions, or no solution when given 7x+4y=26 and 3x8y=18?

How do you find the formula of an exponential graph given (0, 2) and (2, 50)?

How do you graph #4x^2 + 4y^2 + 24x  32y + 51#?

How do you find the vertex and axis of symmetry, and then graph the parabola
given by: #f(x)=2x^26x5#?

How do you find the end behavior of #f(x)= 4x  x^(2)#?

What quadrant would (2, 6) be?

What zscore corresponds to a one sided pvalue of 10%?

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