Answer:
0.9007 is the probability that a student scored below 86 on this exam.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 77
Standard Deviation, σ = 7
We are given that the distribution of examination grades is a bell shaped distribution that is a normal distribution.
Formula:

a) P(student scored below 86)
P(x < 86)
Calculation the value from standard normal z table, we have,

0.9007 is the probability that a student scored below 86 on this exam.
2229Step-by-step explanation:
Answer:
Try the 2nd one
Step-by-step explanation:
Pickles chips are 4
Etdbxvxhchcv
Answer:
see below PLEASE GIVE BRAINLIEST
Step-by-step explanation:
549 - 36.5 = 512.5mb were trf
512.5/125 = 4.1mb per second