subject
Mathematics, 25.07.2021 21:50 shermeka

A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 160-cm and a standard deviation of 1.2-cm. For shipment, 15 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is less than 159.4-cm.
P(M < 159.4-cm) =

Enter your answer as a number accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 12:30
Natasha spent 1 1/2 hours on the beach. she fell asleep for 3/4 of the time she was on the beach and then woke up with a terrible sunburn.how many hours was natasha asleep on the beach?
Answers: 2
question
Mathematics, 21.06.2019 17:30
Which of the following is true for the relation f(x)=2x^2+1
Answers: 1
question
Mathematics, 21.06.2019 19:30
If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8
Answers: 2
question
Mathematics, 21.06.2019 21:00
Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.
Answers: 1
You know the right answer?
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of...
Questions
question
Biology, 01.05.2021 07:50
question
Mathematics, 01.05.2021 07:50
question
Spanish, 01.05.2021 07:50