subject
Mathematics, 25.04.2020 01:51 eta20

Suppose a random sample of 100 fifth-graders is to be obtained. Without assuming x (the time it takes a fifth-grade student to read a certain passage) is normally distributed, what is the approximate probability that the sample mean reading time is between 1.9 and 2.2 minutes?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 20.06.2019 18:04
The gades foundation and hbm corporation are eager to donate generously to their favorite charities. the gades foundation donated $250 in the first month, and each month afterward their cumulative donation total increases by 100$ the hbm corporation donated $64, in the first month, and each month afterward their cumulative donation total increases by 75%. in which month will the hbm corporation's cumulative donation total first exceed the gades foundations' cumulative donation total?
Answers: 1
question
Mathematics, 21.06.2019 15:20
Given: f(x) = 2x + 5 and g(x) = x2 and h(x) = -2x h(g(f( = x2+ vx+ x + y
Answers: 3
question
Mathematics, 21.06.2019 18:10
Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.
Answers: 2
question
Mathematics, 21.06.2019 21:30
For the inequality |c| < |d| to be true, which of the following must be true?
Answers: 2
You know the right answer?
Suppose a random sample of 100 fifth-graders is to be obtained. Without assuming x (the time it take...
Questions
question
Chemistry, 08.10.2019 13:10
question
Computers and Technology, 08.10.2019 13:10
Questions on the website: 13722367