- Rusiness owners on Suffern Main street claim that the mean peed of automobiles traveling on their street is greater than he speed limit of 35 miles per hour. A Random sample of 100 automobiles was surveyed by a police radar operator. The sample yields a mean speed of 36 miles per hour and a standard deviation of 4 miles per hour.. Is there enough evidence to support the claim at a = 0.05 (use a P-value) a)ldentify the claim. Then state the null and alternative hypotheses. b)ldentify the level of significance c)Find the standardized test statistic z.
- Rusiness owners on Suffern Main street claim that the mean peed of automobiles traveling on their street is greater than he speed limit of 35 miles per hour. A Random sample of 100 automobiles was surveyed by a police radar operator. The sample yields a mean speed of 36 miles per hour and a standard deviation of 4 miles per hour.. Is there enough evidence to support the claim at a = 0.05 (use a P-value) a)ldentify the claim. Then state the null and alternative hypotheses. b)ldentify the level of significance c)Find the standardized test statistic z.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
100%
Transcribed Image Text:No
Smoking
Business owners on Suffern Main street claim that the mean
peed of automobiles traveling on their street is greater than
he speed limit of 35 miles per hour. A Random sample of 100
automobiles was surveyed by a police radar operator. The
sample yields a mean speed of 36 miles per hour and a
standard deviation of 4 miles per hour.. Is there enough
evidence to support the claim at a = 0.05 (use a P-value)
a)ldentify the claim. Then state the null and alternative
hypotheses.
b)ldentify the level of significance
- c)Find the standardized test statistic z.
d)Find the p-value
e)Construct the rejected region and decide whether to reject
the Null Hypothesis.
%3D
Ho
f)Interpret the result in the context of the original claim
Transcribed Image Text:No
Smoking
Homework
A Department of Motor Vehicles office claims that
the mean wait time is less than 14 minutes. A
random sample of 10 people has a mean wait time
of 13 minutes with a standard deviation of 3.5
minutes. At a = 0.10, test the office's claim.
Assume the population is normally distributed.
%3D
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