Answered: A college claims that the proportion,…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Question

A college claims that the proportion, p, of students who commute more than fifteen miles to school is less than

15%. A researcher wants to test this. A random sample of 270 students at this college is selected, and it is found that

30 commute more than fifteen miles to school. Is there enough evidence to support the college’s claim at the

0.10 level of significance?

Perform a one-tailed test. Then complete the parts below.

Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.)

(a)	State the null hypothesis H0 and the alternative hypothesis H1.
H0:
H1:
(b)	Determine the type of test statistic to use.
	▼(Choose one)
(c)	Find the value of the test statistic. (Round to three or more decimal places.)

(d)	Find the p-value. (Round to three or more decimal places.)

(e)	Is there enough evidence to support the claim that the proportion of students who commute more than fifteen miles to school is less than 15%?
Yes No