Answer:
use calculator
Step-by-step explanation:
Answer:
b. 2.28%.
Step-by-step explanation:
Mean temperatue (μ) = 1000°F
Standard Deviation (σ) = 50
°F
For any temperature value, X, the z-score is given by:
For X= 900°F

A z-score of -2.0 corresponds to the 2.28-th percentile of a normal distribution. Therefore, the probability that X<900 is:

Answer:
88
Step-by-step explanation:
You are just adding 82+6=88
Here’s if you need it written out
Answer:
(1.6, 6)
Step-by-step explanation:




y = 6