Proportion of business owners providing gifts decreased

Assignment Help Basic Statistics
Reference no: EM132184476

Last year, 48% of business owners gave a holiday gift to their employees. A survey of business owners conducted this year indicates that 30% planned to provide a holiday gift to their employees. Suppose the survey results are based on a sample of 55 business owners.

a. How many business owners in the survey planned to provide a holiday gift to their employees this year? Round your answer to the nearest whole number.

b. Suppose the business owners in the sample did as they planned. Compute the p-value for a hypothesis test that can be used to determine if the proportion of business owners providing holiday gifts had decreased from last year. Enter negative value if your answer is negative.

ho: p___ 0.48

ha: p ___ 0.48

Item 3

z-value (to 2 decimals)

p-value (to 4 decimals)

c. Using a 0.02 level of significance, would you conclude that the proportion of business owners providing gifts decreased?

- Select your answer -

Do not reject


Item 6

What is the highest level of significance for which you could draw such a conclusion?

(to 4 decimals)

Reference no: EM132184476

Find probability that air northeast books people on flight

Using the Binomial Distribution, find the probability that if Air Northeast books 21 people on a flight, not enough seats will be available for all booked passengers.

Find presentation of statistics by frequency distribution

Were the frequency distributions used effectively to report the results? Why or why not? Find an example of a presentation of statistics using a frequency distribution(s) fr

Probability of making more free throws in a trial

What is the probability of her making 97 or more free throws in 118 trials? Round your standard normal variable to two decimal places before using the table of values?

Compute the phi-coefficient for these data

Compute the phi-coefficient for these data and compare it with the result from problem 13. You should find that the sample size has no effect on the strength of the relation

Simple random sample of shipped wireless weather stations

The Attorney General's office in Delaware would like to estimate the proportion of defective products being shipped by this company. Describe a method for obtaining a simple

Determine and graph the kaplan-meier curve

Consider the data shown in Table E11.7 (analysis date, 01/90; A, alive; D, dead). For each subject, determine the time (in months) to death (D) or to the ending date (for su

Find how many card holders should be sampled

It would like to be within plus or minus $55 of the true mean with a 95% confidence level. The standard deviation is thought to be $700. How many card holders should be samp

A test for the global utility of the model

In a production facility, an accurate estimate of man hours needed to complete a task is crucial to management in making such decisions as the proper number of workers to hi


Write a Review

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd