Answer:
b) H0:μ=90, H1:μ≠90
Step-by-step explanation:
The corporation wants to know if the mean number of days is different from the 90 days claimed.
This means that at the null hypothesis, we test if the mean number is the claimed value of 90, and so:

The corporations wants to know if the mean number is different, and thus, at the alternate hypothesis, we test if the mean number is different from 90, that is:

This means that the correct answer is given by option b.
Answer:
9/49
Step-by-step explanation:
Answer:
12 cups of cranberry juice, 1 quart of grape juice, 5 pints of pineapple juice, and 1 gallon of orange juice.
Step-by-step explanation:
12 cups is the least measurement. There are 2 pints in 1 quart, so 5 pints>1 quart. A gallon has 8 pints, so it has the greatest amount.
B, since 13 ppl have 2 or less TVs while 12 have 3 or more
Answer:
A=n*2+15n+36
Step-by-step explanation: