subject
Mathematics, 13.01.2021 18:30 kritalewis

The times a musician spends performing a rock song and a country song are approximately Normally distributed. The rock song has a mean time of 133 seconds with a standard deviation of 3.5 seconds, and the country song has a mean time of 126 seconds with a standard deviation of 3.3 seconds. If the musician randomly selects 4 times the rock song is played and 3 times the country song is played, what is the probability that the mean time for the rock song is less than the mean time for the country song? 0.0034
0.0365
0.9964
0.9966

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:00, rosezgomez97
The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.
Answers: 3
image
Mathematics, 21.06.2019 17:00, joejoefofana
Need on this one asap im almost done with this subject
Answers: 1
image
Mathematics, 21.06.2019 18:30, kamiyaharris1
How to use order of operation in 20 divide by 4 multiply 5 = 1
Answers: 1
image
Mathematics, 21.06.2019 22:10, nurmukhammada
Which number line correctly shows 0.8 + 0.3?
Answers: 1
You know the right answer?
The times a musician spends performing a rock song and a country song are approximately Normally dis...

Questions in other subjects:

Konu
Mathematics, 24.03.2020 05:37
Konu
Physics, 24.03.2020 05:37