subject
Mathematics, 18.07.2020 20:01 Diamond4614

The lengths of pregnancies in a small rural village are normally distributed with a mean of 270 days and a standard deviation of 17 days. In what range would you expect to find the middle 98% of most pregnancies? Between and . If you were to draw samples of size 54 from this population, in what range would you expect to find the middle 98% of most averages for the lengths of pregnancies in the sample? Between and . Enter your answers as numbers. Your answers should be accurate to 1 decimal places.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 15:30
What is the solution of sqrt x+2-15=-3
Answers: 2
question
Mathematics, 21.06.2019 21:00
Asequence has its first term equal to 4, and each term of the sequence is obtained by adding 2 to the previous term. if f(n) represents the nth term of the sequence, which of the following recursive functions best defines this sequence? (1 point) f(1) = 2 and f(n) = f(n βˆ’ 1) + 4; n > 1 f(1) = 4 and f(n) = f(n βˆ’ 1) + 2n; n > 1 f(1) = 2 and f(n) = f(n βˆ’ 1) + 4n; n > 1 f(1) = 4 and f(n) = f(n βˆ’ 1) + 2; n > 1 i will award !
Answers: 1
question
Mathematics, 21.06.2019 21:20
If the value of cos330°is√3/2 then find cos 165°.
Answers: 2
question
Mathematics, 21.06.2019 21:30
Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is Ο€ cubic inches.
Answers: 1
You know the right answer?
The lengths of pregnancies in a small rural village are normally distributed with a mean of 270 days...
Questions
question
Mathematics, 18.10.2021 01:50
question
Mathematics, 18.10.2021 01:50
question
Mathematics, 18.10.2021 01:50
question
Biology, 18.10.2021 01:50
question
Mathematics, 18.10.2021 01:50
Questions on the website: 13722359