BASIC PRACTICE OF STATISTICS >C<
8th Edition
ISBN: 9781319220280
Author: Moore
Publisher: MAC HIGHER
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Chapter 16.4, Problem 8AYK
(a)
To determine
To identify: The 90%, 95% 99% confidence intervals for the body mass index (BMI)
(b)
To determine
To identify: The margin of error for the 90%, 95%, and 99% confidence
To explain: How the increase in the confidence level changes the margin of error of a confidence interval when the
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Chapter 16 Solutions
BASIC PRACTICE OF STATISTICS >C<
Ch. 16.1 - Prob. 1AYKCh. 16.1 - Prob. 2AYKCh. 16.2 - Prob. 3AYKCh. 16.2 - Prob. 4AYKCh. 16.3 - Prob. 5AYKCh. 16.3 - Prob. 6AYKCh. 16.3 - Prob. 7AYKCh. 16.4 - Prob. 8AYKCh. 16.4 - Prob. 9AYKCh. 16.4 - Prob. 10AYK
Ch. 16 - Prob. 16.11CYSCh. 16 - Prob. 16.12CYSCh. 16 - Prob. 16.13CYSCh. 16 - Prob. 16.14CYSCh. 16 - Prob. 16.15CYSCh. 16 - Prob. 16.16CYSCh. 16 - Prob. 16.17CYSCh. 16 - Prob. 16.18CYSCh. 16 - Prob. 16.19ECh. 16 - Prob. 16.20ECh. 16 - Prob. 16.21ECh. 16 - Prob. 16.22ECh. 16 - Prob. 16.23ECh. 16 - Prob. 16.24ECh. 16 - Prob. 16.25ECh. 16 - Prob. 16.26ECh. 16 - Prob. 16.27ECh. 16 - Prob. 16.28E
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- 38. Possible values of X, the number of components in a system submitted for repair that must be replaced, are 1, 2, 3, and 4 with corresponding probabilities .15, .35, .35, and .15, respectively. a. Calculate E(X) and then E(5 - X).b. Would the repair facility be better off charging a flat fee of $75 or else the amount $[150/(5 - X)]? [Note: It is not generally true that E(c/Y) = c/E(Y).]arrow_forward74. The proportions of blood phenotypes in the U.S. popula- tion are as follows:A B AB O .40 .11 .04 .45 Assuming that the phenotypes of two randomly selected individuals are independent of one another, what is the probability that both phenotypes are O? What is the probability that the phenotypes of two randomly selected individuals match?arrow_forward53. A certain shop repairs both audio and video compo- nents. Let A denote the event that the next component brought in for repair is an audio component, and let B be the event that the next component is a compact disc player (so the event B is contained in A). Suppose that P(A) = .6 and P(B) = .05. What is P(BA)?arrow_forward
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