subject
Mathematics, 01.03.2021 18:20 kaylaamberd

In a city library, the mean number of pages in a novel is 525 with a standard deviation of 200. Approximately 30% of the novels have fewer than 400 pages. Suppose that you randomly select 50 novels from the library. What is the probability that the average number of pages in the sample is less than 500?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
Which fraction is not equivalent to 8/12 a. 2/3 b. 24/36 c. 4/10 d. 6/10
Answers: 1
question
Mathematics, 21.06.2019 17:00
100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance
Answers: 2
question
Mathematics, 21.06.2019 18:30
The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?
Answers: 3
question
Mathematics, 21.06.2019 21:00
Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?
Answers: 2
You know the right answer?
In a city library, the mean number of pages in a novel is 525 with a standard deviation of 200. Appr...
Questions
question
English, 15.01.2021 17:30
question
Mathematics, 15.01.2021 17:30
question
Mathematics, 15.01.2021 17:30
question
Mathematics, 15.01.2021 17:30
question
Mathematics, 15.01.2021 17:30
question
Mathematics, 15.01.2021 17:30
question
Mathematics, 15.01.2021 17:30
question
Mathematics, 15.01.2021 17:30
question
Mathematics, 15.01.2021 17:30
Questions on the website: 13722362