ards A stationery store wants to estimate the mean retail value of greeting random sample of 100 greeting cards indicates a mean value of $2.55 and a standard deviation of $0.44 Assuming a normal distribution, construct a 99% confidence interval estimate for the mean value of all greeting cards in the store's inventory. O a. 1.457 < m < 2.632 b. 2.477 < m < 2.623 2.857 < m < 3.138 O d. 2.457 < m < 2.632 OOO

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
icon
Related questions
Question

Urgent plz.

A stationery store wants to estimate the mean retail value of greeting cards that it has in its inventory. A
random sample of 100 greeting cards indicates a mean value of $2.55 and a standard deviation of $0.44.
Assuming a normal distribution, construct a 99% confidence interval estimate for the mean value of all
greeting cards in the store's inventory.
O a.
1.457 < m < 2.632
Ob.
2.477 < m < 2.623
O C.
2.857 < m < 3.138
d. 2.457 < m < 2.632
Transcribed Image Text:A stationery store wants to estimate the mean retail value of greeting cards that it has in its inventory. A random sample of 100 greeting cards indicates a mean value of $2.55 and a standard deviation of $0.44. Assuming a normal distribution, construct a 99% confidence interval estimate for the mean value of all greeting cards in the store's inventory. O a. 1.457 < m < 2.632 Ob. 2.477 < m < 2.623 O C. 2.857 < m < 3.138 d. 2.457 < m < 2.632
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill