![subject](/tpl/images/cats/mat.png)
Mathematics, 29.12.2020 16:50 becky6962
The amount of time the university professors devote
to their jobs per week is normally distributed with a
mean of 52 hours and a standard deviation of 6 hours.
a. What is the probability that a professor works for
more than 60 hours per week?
b. Find the probability that the mean amount of
work per week for three randomly selected professors is more than 60 hours.
c. Find the probability that if three professors are
randomly selected all three work for more than
60 hours per week
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 03:20, rocksac6744
Circle a has center of (2,3) and a radius of 5 and circle b has a center of (1,4) and a radius of 10. what steps will show that circle a is similar to circle b 1) dilate circle a by a scale factor of 2 2) translate circle a using the rule (x+1,y-1) 3) rotate circle a 180 degrees about the center 4) reflect circle a over the y-axis
Answers: 2
You know the right answer?
The amount of time the university professors devote
to their jobs per week is normally distributed...
Questions in other subjects:
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 05.10.2019 07:00
![Konu](/tpl/images/cats/istoriya.png)
History, 05.10.2019 07:00
![Konu](/tpl/images/cats/mat.png)
Mathematics, 05.10.2019 07:00
![Konu](/tpl/images/cats/health.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 05.10.2019 07:00
![Konu](/tpl/images/cats/mkx.png)