Question
The restaurant manager is testing the bartender's ability to pour 45 mL of spirits correctly into a mixed drink. The manager has the bartender pour
The restaurant manager is testing the bartender's ability to pour 45 mL of spirits correctly into a mixed drink. The manager has the bartender pour water into 12 shot glasses to test their ability to pour the correct amount of spirits:
48 | 45 | 44 | 43 | 46 | 47 |
42 | 46 | 47 | 45 | 47 | 49 |
Note: The data appears to be approximately normally distributed.
Test the bartender's ability to pour 45 mL at the 2% level of significance.
T-Distribution Table
a. Calculate the sample mean and standard deviation.
x=x=
Round to three decimal places if necessary
s=
Round to three decimal places if necessary
b. Calculate the test statistic.
t=
Round to three decimal places if necessary
c. Determine the critical value(s) for the hypothesis test.
- +
Round to three decimal places if necessary
d. Conclude whether to reject the null hypothesis or not based on the test statistic.
Reject
Fail to Reject
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