A veterinarian collects data on the number of times race horses are raced during their careers. The veterinarian finds that the average number of races a horse enters is = 15.3, with a standard deviation of s = 6.8 in a sample of n = 20 horses. A 95% confidence for , the average number of times a horse races, is given by: a. (11.38, 19.22). b. (12.32, 18.28). c. (12.12, 18.48). d. (10.95, 19.65).

A veterinarian collects data on the number of times race horses are raced during their careers. The veterinarian finds that the average number of races a horse enters is = 15.3, with a standard deviation of s = 6.8 in a sample of n = 20 horses. A 95% confidence for , the average number of times a horse races, is given by: a. (11.38, 19.22). b. (12.32, 18.28). c. (12.12, 18.48). d. (10.95, 19.65).

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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Question

A veterinarian collects data on the number of times race horses are raced during their careers. The veterinarian finds that the average number of races a horse enters is = 15.3, with a standard deviation of s = 6.8 in a sample of n = 20 horses. A 95% confidence for , the average number of times a horse races, is given by:

a.
(11.38, 19.22).

b.
(12.32, 18.28).

c.
(12.12, 18.48).

d.
(10.95, 19.65).