2) A random sample of 10 miniature Tootsie Rolls was taken from a bag. Each piece...

60.1K

Verified Solution

Question

Basic Math

2) A random sample of 10 miniature Tootsie Rolls was taken froma bag. Each piece was weighed on a very accurate scale. The resultsin grams were:
3.087 3.131 3.241 3.241 3.270 3.353 3.400 3.411 3.437 3.477
-Assuming a normal population, use Minitab toconstruct a 95 percent confidence interval for the true meanweight. You will need to enter the data. Attach or include youroutput. (4 points)
-Write a sentence using the confidence interval found in part a.(3 points)
-Use Minitab to construct a histogram of the sample data. Usethe histogram to determine if the
assumption of normality is a valid assumption. State yourfindings. (4 points)
-What sample size would be necessary to estimate the true weightwith an error of ± 0.025 gram
with 90 percent confidence? (4 points)

Answer & Explanation Solved by verified expert

4.3 Ratings (558 Votes)

MINITAB used 2 A random sample of 10 miniature Tootsie Rolls was taken from a bag Each piece was weighed on a very accurate scale The results in grams were 3087 3131 3241 3241 3270 3353 3400 3411 3437 3477 Assuming a normal population use Minitab to See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member