subject
Mathematics, 18.11.2019 19:31 joel53

Arecent report stated that 10% (0.10) of all men in the u. s. are left-handed. a random sample of 250 men is selected to further study this question, a. what is the shape, mean (expected value) and standard deviation of the sampling distribution of the sample proportion for samples of size 250? b. what is the probability that the sample proportion for a sample of size 250 is greater than 12% (0.12)? c. what is the probability that the sample proportion for a sample of size 250 is between 13% (0.13) and 15% (0.15)?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 21:20
If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°
Answers: 2
question
Mathematics, 21.06.2019 21:50
Question 14 (1 point) larry deposits $15 a week into a savings account. his balance in his savings account grows by a constant percent rate.
Answers: 3
question
Mathematics, 21.06.2019 22:30
In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the
Answers: 1
question
Mathematics, 21.06.2019 23:00
The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree
Answers: 2
You know the right answer?
Arecent report stated that 10% (0.10) of all men in the u. s. are left-handed. a random sample of 25...
Questions
question
Mathematics, 15.05.2021 20:20
question
Mathematics, 15.05.2021 20:20
question
Engineering, 15.05.2021 20:20
question
Mathematics, 15.05.2021 20:20
question
Mathematics, 15.05.2021 20:20
question
Mathematics, 15.05.2021 20:20
Questions on the website: 13722367