ZuoTi.Pro
Question

A normal population has a mean of 64 and a standard deviation of 24. You select...

A normal population has a mean of 64 and a standard deviation of 24. You select a random sample of 32. Use Appendix B.1 for the z-values.

Compute the probability that the sample mean is: (Round the final answers to 4 decimal places.)

a. Greater than 67.

Probability           

b. Less than 60.

Probability           

c. Between 60 and 67.

Probability     

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Solution Giren thodt σ=2.4 24 132 4 . 24 In 4.24ノ 4.24 E 1- 0-3611 6.239 pLX > 63) 0.2389 Probability 。。. 23894.24 4-2 12 <-0.94) ο : 1236 3 4.24 1.24 4.24 0.7411-0:13 36 = Pato hability O·S135 w

0 0
Add a comment
Know the answer?
Add Answer to:
A normal population has a mean of 64 and a standard deviation of 24. You select...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • A normal population has a mean of 62 and a standard deviation of 14. You select...

    A normal population has a mean of 62 and a standard deviation of 14. You select a random sample of 9. Compute the probability the sample mean is: (Round z values to 2 decimal places and final answers to 4 decimal places.) (a) Greater than 64.   Probability    (b) Less than 58.    Probability    (c) Between 58 and 64.   Probability   

  • A normal population has a mean of 75 and a standard deviation of 5. You select...

    A normal population has a mean of 75 and a standard deviation of 5. You select a sample of 40. Use Appendix B1 for the z values Compute the probability that the sample mean is: (Round the zvalues to 2 decimal places and the final answers to 4 decimal places.) a. Less than 74 Probability 09 b. Between 74 and 76. Probability c. Between 76 and 77 Probability d. Greater than 77 Probability Not > 3 of 4 < Prey...

  • Check my ork A normal population has a mean of 58 and a standard deviation of...

    Check my ork A normal population has a mean of 58 and a standard deviation of 13. You select a random sample of 25. Compute the probability that the sample mean Is: (Round your z values to 2 declmal places and final answers to 4 deeclmal places): 12 polnts a. Greater than 60. eBook Ask Print References b. Less than 57 Probability Ask Print References c. Between 57 and 60. Probability Mc

  • A normal population has a mean of 68 and a standard deviation of 6. You select...

    A normal population has a mean of 68 and a standard deviation of 6. You select a sample of 52. Compute the probability that the sample mean is (round z score 2 decimals and final answer 4): 1) Less than 67 2) Between 67 and 69. 3) 69 and 70 4) greater and 70

  • A population of values has a normal distribution with mean=155.9 and standard deviation=42.1. You intend to...

    A population of values has a normal distribution with mean=155.9 and standard deviation=42.1. You intend to draw a random sample of size=12. Find the probability that a single randomly selected value is less than 172.9. P(X<172.9). Find the probability that a sample of size=12 is randomly selected with a mean less than 172.9. P(M<172.9). Enter your answers as numbers accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.

  • A normal population has a mean of 57 and a standard deviation of 14. You select...

    A normal population has a mean of 57 and a standard deviation of 14. You select a random sample of 16. Round to 4 decimal places. a. 33% of the time, the sample average will be less than what specific value? Value b. 33% of the time, the value of a randomly selected observation will be less than h. Find h. h c. The probability that the sample average is more than k is 22%. Find k.

  • For a normal population with an average of 60 and a standard deviation of 12 what...

    For a normal population with an average of 60 and a standard deviation of 12 what is the probability of selecting a random sample of 36 scores with a sample mean greater than 64? p(M greater than 64)? a 50% b .9772 or 97.72 % c. .8777 or 87.77% d. .0228 or 2.28% A population has a mean of 50 and a standard deviation of 5, find the z-score that corresponds to a sample mean of M=55 for a sample...

  • A normal population has a mean of 11.2 and a standard deviation of 3.4. Refer to...

    A normal population has a mean of 11.2 and a standard deviation of 3.4. Refer to the table in Appendix B.1. a. Compute the z-value associated with 14.3. (Round the final answer to 2 decimal places.) z = b. What proportion of the population is between 11.2 and 14.3? (Round z-score computation to 2 decimal places and the final answer to 4 decimal places.) Proportion c. What proportion of the population is less than 10.0? (Round z-score computation to 2...

  • A normal population has a mean of 18.3 and a standard deviation of 5. Refer to...

    A normal population has a mean of 18.3 and a standard deviation of 5. Refer to the table in Appendix B.1 a. Compute the z-value associated with 25.0. (Round the final answer to 2 decimal places.) z = b. What proportion of the population is between 18.3 and 25.0? (Round z-score computation to 2 decimal places and the final answer to 4 decimal places.) Proportion c. What proportion of the population is less than 18.0? (Round z-score computation to 2...

  • The mean of a population is 75 and the standard deviation is 14. The shape of...

    The mean of a population is 75 and the standard deviation is 14. The shape of the population is unknown. Determine the probability of each of the following occurring from this population. a. A random sample of size 33 yielding a sample mean of 79 or more b. A random sample of size 140 yielding a sample mean of between 73 and 77 c. A random sample of size 218 yielding a sample mean of less than 75.7 (Round all...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT