She got a rage of 69 measure on her 8 subjects
Answer:
32 days must be sampled to test the proposed hypothesis.
Step-by-step explanation:
Consider the provided information.
The average number of person-hours per day spent on these task was
.
The actual value of μ is 12 hours or less i.e μ=12
She wants a test having α=0.05
The probability of a type II error of at most β=0.10 and σ=7.64.
δ = μ-μ0
= 12-16
= -4
Now use the formula for calculating the sample size:

Substitute the respective values.



Hence, 32 days must be sampled to test the proposed hypothesis.
Answer:
12
Step-by-step explanation:
The base radius is 3
The height of the cylinder is 5
The height of the cone is 4
Add The Numbers
3 + 5 + 4 = 12
Answer:
what are the choices???
Step-by-step explanation:
Answer:
27 i think
Step-by-step explanation:
I divided them to make sure its right im not 100 percent sure tho