This topic contains a solution. Click here to go to the answer

Author Question: Solve the problem.The distribution of sample means for scores on a test for samples of size 100 is ... (Read 77 times)

bcretired

  • Hero Member
  • *****
  • Posts: 525

Question 1

Solve the problem.

The distribution of sample means for scores on a test for samples of size 100 is normal with a mean of 61.7 and a standard deviation of 1.5.   If a sample of 100 test scores is selected at random, what is the probability that the sample mean will be greater than 63.8?
◦ 0.0808
◦ 1.4
◦ 0.9192
◦ 0.0668

Question 2

Solve the problem.

The distribution of sample means for scores on a test for samples of size 100 is normal with a mean of 63.3 and a standard deviation of 1.5. If a sample of 100 test scores is selected at random, what is the probability that the sample mean will be less than 60.6?
◦ 1.8
◦ 0.9641
◦ 0.0668
◦ 0.0359


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by bcretired on Jan 18, 2020

1_Step_At_ATime

  • Sr. Member
  • ****
  • Posts: 342
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 50% of students answer this correctly




bcretired

  • Member
  • Posts: 525
Reply 2 on: Jan 18, 2020
Great answer, keep it coming :)


  • Member
  • Posts:
Reply 3 on: Yesterday
Excellent

 

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

For a complete list of videos, visit our video library