Question: 40
(Choose 1 answer)
(See picture)
A. 0.7852
B. 0.2148
C. 0.4296
D. 0.5702
A consumer products company is formulating a new shampoo and
is interested in foam height (in millimeters). Foam height is
approximately normally distributed and has a standard deviation of
20 millimeters. The company wishes to test
Hoμ = 175 millimeters, versus
H₁: > 175 millimeters, using the results of n = 10 samples.
Find the P-value if the observed statistic is x = 170.
Let P(Z-0.79) = 0.2148.
