ZuoTi.Pro
Question

Test the claim that a population mean exceeds 40. You have a sample of 40 items 40. You have a sample of 40 items for est he sample mean 1-42 and sample standard deviation-7. Use significance level α 0.05.
media%2F776%2F776ec2cf-14c8-4a3d-a3ee-0b
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

ons guen cara -un = 40 3 ke have to tesょthe claim that the popolahan Haan irn tailed hdPothcNS Fiver( ん见will calculate the test cfa hsher ond then abcur claim test stat! She u(736) -- 4-40 니。 an P value σ , o 39 o P -value s tess hran o os lavel ot ignifh can ce REDMI NOTE 6 PROSo, wwe can Conclu de thot theve u enough esnence toppor he clain, ha the Hean volue etceeds 4o

0 0
Add a comment
Know the answer?
Add Answer to:
Test the claim that a population mean exceeds 40. You have a sample of 40 items...
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

  • 3. Test the claim that a population mean exceeds 40. You have a sample of 40...

    3. Test the claim that a population mean exceeds 40. You have a sample of 40 items for which the sample mean x 42 and sample standard deviation s- 7. Use significance level α 0.05.

  • 3. Test the claim that a population mean exceeds 40. You have a sample of 40...

    3. Test the claim that a population mean exceeds 40. You have a sample of 40 items for which the sample mean x -42 and sample standard deviation s 7. Use significance level α 0.05. With worK please

  • 8. The average grade on a Math test is 83 with a standard deviation of 5....

    8. The average grade on a Math test is 83 with a standard deviation of 5. The grades follow the Normal distribution. if the instructor assigns A's to the highest Q%, what is the lowest grade that will be assigned A? We were unable to transcribe this imageWe were unable to transcribe this imageWe were unable to transcribe this image56 12. The health of employees is monitored by periodically weighting them. A sample of 64 employees has a mean weight...

  • In order to conduct a hypothesis test for the population proportion, you sample 450 observations that...

    In order to conduct a hypothesis test for the population proportion, you sample 450 observations that result in 189 successes. (You may find it useful to reference the appropriate table: z table or t table) H0: p ≥ 0.45; HA: p < 0.45. a-1. Calculate the value of the test statistic. (Negative value should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) TEST STATISTIC = a-2....

  • Please answer all questions below: 1.) Claim: Carzz Magazine claims that the Civic Hybrid gets exactly...

    Please answer all questions below: 1.) Claim: Carzz Magazine claims that the Civic Hybrid gets exactly 38 mpg on the highway. A random sample of 49 revealed a mean of 38.99 mpg. Use the traditional method at a 12% significance level to test the claim assuming a known population standard deviation of 3.42. Critical z-Score = [three decimal accuracy] Test Statistic = [three decimal accuracy] 2.) Claim: The average career length for an NFL kicker is less than 4.8 years....

  • Please use TI-83+ calculator to solve this. thank you! You wish to test the following claim...

    Please use TI-83+ calculator to solve this. thank you! You wish to test the following claim (HaHa) at a significance level of α=0.10α=0.10.       Ho:p1=p2Ho:p1=p2       Ha:p1<p2Ha:p1<p2 You obtain 26.7% successes in a sample of size n1=333n1=333 from the first population. You obtain 28.2% successes in a sample of size n2=476n2=476 from the second population. For this test, you should NOT use the continuity correction, and you should use the normal distribution as an approximation for the binomial distribution. What is the...

  • --------A sample of 36 observations is selected from a normal population. The sample mean is 34,...

    --------A sample of 36 observations is selected from a normal population. The sample mean is 34, and the population standard deviation is 5. Carry out a hypothesis test (with a level of significance α of 0.05) of the null hypothesis H0: µ ≥ 35 using the 6-step procedure ---------Suppose that someone claims that the mean number of sick days taken by U.S. employees is 5.1. You decide to investigate that claim and take a representative sample of 87 U.S. employees...

  • est the claim about the population mean μ at the level of significance α. Assume the...

    est the claim about the population mean μ at the level of significance α. Assume the population is normally distributed. Claim: μ > 28; α = 0.05; σ = 1.2 Sample statistics: = 28.3, n = 50

  • Test the claim about the population mean μ at the level of significance α. Assume the...

    Test the claim about the population mean μ at the level of significance α. Assume the population is normally distributed. Claim: μ ≠ 33; α = 0.05; σ = 2.7 Sample statistics:   = 32.1, n = 35

  • Test the claim about the population mean μ at the level of significance α. Claim: μ...

    Test the claim about the population mean μ at the level of significance α. Claim: μ ≠ 0; α = 0.05; σ = 2.62 Sample statistics:  x = -0.69, n = 60 A. Fail to reject H0. There is enough evidence at the 5% level of significance to support the claim. B. Reject H0. There is enough evidence at the 5% level of significance to reject the claim. C. Reject H0. There is enough evidence at the 5% level of significance...

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