6847 Introduction to Statistics (2) Homework: Homework 21 Score: 0.71 of 5 pts 7

Question

6847 Introduction to Statistics (2) Homework: Homework 21 Score: 0.71 of 5 pts 7.2.23-T napolof576 human resource professoais, 48 1% said that body pierrgs and tattoos were tggrooringred tagsaniele part. (a)through (d) below 7 of 9 (8 complete) professorn were surveyed, how many ofthem sa d that body perangsand tatoos were big grooming ied fags? 277 (Ford to the fearest as needed interval estimate of the proportion of all human resource professionals besleving that body plercings and tatoos are big grooming red ags Round to three decimal paces as needed) Enter your answer in the edt elds and then dick Check Answer Type here to search 2 4 5 6 8.

Explanation / Answer

The statistical software output for this problem is:

One sample proportion summary confidence interval:
p : Proportion of successes
Method: Standard-Wald

99% confidence interval results:

Hence,

99% confidence interval will be:

0.427 < p < 0.535

Proportion Count Total Sample Prop. Std. Err. L. Limit U. Limit p 277.056 576 0.481 0.020818286 0.42737565 0.53462435

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