Question 14 of 20
1.0/ 1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For
scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A survey determines that mint chocolate chip is the favorite ice cream flavor of 6% of
consumers. An ice cream shop determines that of 260 customers, 20 customers stated their
preference for mint chocolate chip.
Find the P-value that would be used to determine if the percentage of customers who prefer
mint chocolate chip ice has increased at a 5% level of significance.
P-value:
0.1253 Round your answer to four decimal places as necessary.

Question 15 of 20
1.0/ 1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For
scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A survey determines that mint chocolate chip is the favorite ice cream flavor of 6% of
consumers. An ice cream shop determines that of 190 customers, 15 customers stated their
preference for mint chocolate chip.
Find the P-value that would be used to determine if the percentage of customers who prefer
mint chocolate chip ice has increased at a 5% level of significance.
P-value:
0.1357 Round your answer to four decimal places as necessary.

Question 16 of 20
1.0/ 1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For
scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
At a university, the average cost of books per student has been $550 per student per semester.
The Dean of Students believes that the costs are increasing and that the average is now
greater than $550. He surveys a sample of 40 students and finds that for the most recent
semester their average cost was $630 with a standard deviation of $120. What is the test value
for this hypothesis test?

Test value:
4.22 Round your answer to two decimal places as necessary.