Question
A recent national survey found that high school students watched an average (mean) of 8.0 DVDs per month with a population standard deviation of 0.7
A recent national survey found that high school students watched an average (mean) of 8.0 DVDs per month with a population standard deviation of 0.7 hours. The distribution of times follows the normal distribution. A random sample of 35 college students revealed that the mean number of DVDs watched last month was 7.4. At the 0.02 significance level, can we conclude that college students watch fewer DVDs a month than high school students? Use = 0.02.
a. State the null hypothesis and the alternate hypothesis.
H0: (Click to select) > = 8.0
H1: (Click to select) < > = 8.0
b. State the decision rule.
Reject H0 if z (Click to select) > -2.05 < -2.05 .
c. Compute the value of the test statistic. (Round the final answer to 1 decimal place.)
Value of the test statistic
d. What is your decision regarding H0?
(Click to select) Reject Do not reject H0.
e. What is the p-value?
The p-value is close to .
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started