Mathematics, 18.03.2021 01:30 kactus
A physics teacher has determined that his students study an average of 56.4 hours a month with a
standard deviation of 8.3 hours. Assume that these times are normally distributed.
1. What is the probability that 7 randomly selected students have a mean monthly study
time greater than 60 hours?
2. What is the probability that a randomly selected student studies fewer than 46 hours
monthly?
Answers: 1
Mathematics, 22.06.2019 03:20
If (x) = 3х - 2 and g(x) = 2х+ 1, find (f- g)(x). оа. х- з ов. 3-х ос. 5x - 1 od. 5x - з
Answers: 1
Mathematics, 22.06.2019 04:00
Going from point a to point b, the cheetah traveled at an average rate of 70 mph. returning to point a, the cheetah traveled at an average rate of 40 mph. can we say that this cheetah’s average rate was 55 mph? uchet write an equation for the average rate for the trip. remember, the cheetah runs from point a to point b and back to point a. first leg of trip: second leg of trip: ⦁ the following equation represents the average rate for the trip. is this equation equivalent to the one you wrote above? explain why or why not.
Answers: 2
A physics teacher has determined that his students study an average of 56.4 hours a month with a
st...
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