Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value a/2. (b) find the critical value za/2, or (c) state that neither the normal distribution nor the t distribution applies.
The confidence level is 95%, o is not known, and the normal quantile plot of the 17 salaries in thousands of dollars) of
basketball players on a team is as shown.
z score
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

The triangles are similar. what is the value of x? x=

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.