ZuoTi.Pro
Question

Randi wants to know if at least 90% of the employees at her company are currently...

Randi wants to know if at least 90% of the employees at her company are currently enrolled in a health insurance plan. She randomly samples 500 employees and finds that 459 of them are currently enrolled in a plan. Randi conducts a one-proportion hypothesis test at the 5% significance level, to test whether the true proportion of employees enrolled in a plan at this company is greater than 90%. For this test: H0:p=0.9; Ha:p>0.9, which is a right-tailed test.

Use Excel to test whether true proportion of employees enrolled in a plan at this company is greater than 90%. Identify the test statistic, z, and p-value from the Excel output, rounding to three decimal places.

Provide your answer below:

test statistic=

p-value=

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


for further any queries please comment and thank you.

0 0
Add a comment
Know the answer?
Add Answer to:
Randi wants to know if at least 90% of the employees at her company are currently...
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

  • Test the claim that the proportion of people who own cats is smaller than 90% at...

    Test the claim that the proportion of people who own cats is smaller than 90% at the 0.05 significance level. The null and alternative hypothesis would be: H0:p≤0.9H0:p≤0.9 Ha:p>0.9Ha:p>0.9 H0:μ=0.9H0:μ=0.9 Ha:μ≠0.9Ha:μ≠0.9 H0:p≥0.9H0:p≥0.9 Ha:p<0.9Ha:p<0.9 H0:μ≤0.9H0:μ≤0.9 Ha:μ>0.9Ha:μ>0.9 H0:μ≥0.9H0:μ≥0.9 Ha:μ<0.9Ha:μ<0.9 H0:p=0.9H0:p=0.9 Ha:p≠0.9Ha:p≠0.9 The test is: left-tailed two-tailed right-tailed Based on a sample of 700 people, 89% owned cats The p-value is:  (to 2 decimals) Based on this we: Reject the null hypothesis Fail to reject the null hypothesis

  • Last year, 36.6 % of all employees at a large company enrolled in at least one...

    Last year, 36.6 % of all employees at a large company enrolled in at least one wellness class at the company's site. A survey is sent out to a sample employees at the start of the new fiscal year to see if a greater percentage is planning to take a wellness class this year. Survey responses are received from 224 employees and 99 indicate that they plan to enroll in a wellness class. Test the appropriate hypotheses using a significance...

  • Question 9 (1 point) The owner of a golf course wants to determine if his golf...

    Question 9 (1 point) The owner of a golf course wants to determine if his golf course is more difficult than the one his friend owns. He has 10 golfers play a round of 18 holes on his golf course and records their scores. Later that week, he has the same 10 golfers play a round of golf on his friend's course and records their scores again. The average! difference in the scores (treated as the scores on his course...

  • A human resource (HR) manager wants to see if employees of the company are experiencing burnout....

    A human resource (HR) manager wants to see if employees of the company are experiencing burnout. The HR manager knows that burnout in the general population is defined at 89, and obtains a random sample of employees from the company who fill out a burnout questionnaire. What can the HR manager conclude with α = 0.05? The data are below. id burnout 2 6 8 1 3 4 5 7 11 21 19 15 45 33 24 46 30 47...

  • 2.   The president’s support among Republicans is very high. However, a political scientist wants to know...

    2.   The president’s support among Republicans is very high. However, a political scientist wants to know whether fewer people these days are identifying as Republicans. In early November 2016, 27% of adult Americans identified as Republican. A polling company selects a random sample of 1830 adult Americans, and finds that 435 identify themselves as Republicans. i.   Check the conditions. Be sure to explain your answers, when needed. ii.   Write hypotheses (be sure to define p, like “p = the proportion...

  • A zoologist wants to investigate whether the weight of lemurs in an exhibit in the zoo...

    A zoologist wants to investigate whether the weight of lemurs in an exhibit in the zoo changes over time. She randomly selects 10 lemurs. Historically, lemurs at the zoo have had a mean weight of 7.61 pounds and a standard deviation of 0.84 pounds. To test the weights, the administrator decided to use the historical standard deviation as the population standard deviation. The hospital administrator conducts a one-mean hypothesis at the 5% significance level, to test if there was a...

  • The Melodic Kortholt Company will change its current health plan if at least half the employees...

    The Melodic Kortholt Company will change its current health plan if at least half the employees are dissatisfied with it. A trial sample of 25 employees shows that 16 are dissatisfied. The p-value for a right-tailed test is a. 0.4192 b. 0.1337 c. 0.0808 d. 0.0901

  • The Melodic Kortholt Company will change its current health plan if at least half the employees...

    The Melodic Kortholt Company will change its current health plan if at least half the employees are dissatisfied with it. A trial sample of 25 employees shows that 16 are dissatisfied. The p-value for a right-tailed test is: О .0808 0 0901 1337 О .4192

  • A well-known brokerage firm executive claimed that 60% of investors are currently confident of meeting their...

    A well-known brokerage firm executive claimed that 60% of investors are currently confident of meeting their investment goals. An XYZ Investor Optimism Survey, conducted over a two week period, found that in a sample of 200 people, 65% of them said they are confident of meeting their goals. Test the claim that the proportion of people who are confident is larger than 60% at the 0.10 significance level. The null and alternative hypothesis would be: H0:μ=0.6H0:μ=0.6 H1:μ≠0.6H1:μ≠0.6 H0:μ=0.6H0:μ=0.6 H1:μ<0.6H1:μ<0.6 H0:μ=0.6H0:μ=0.6...

  • 2. Suppose that a national survey finds that 73 percent of restaurant employees say that work...

    2. Suppose that a national survey finds that 73 percent of restaurant employees say that work stress has a negative impact on their personal lives. A random sample of 200 employees of a large restaurant chain finds that 141 employees say that work stress has a negative impact on their personal lives. Conduct a hypothesis testing to test whether the percentage of work-stressed employees for the restaurant chain differs from the national percentage. Is this an one-sample or two-sample test?...

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