Math 23 Practice Test 3(1) The diameters of oranges from a Florida orchard are normally distributed= 3.2 inches and standard deviation o= 1.1 inches.with mean(a) What is the probability that a randomly selected orange is more than3.5 inches?(b) What is the probability that a randomly selected orange is between 3and 3.5 inches?(c) A gift box contains 9 oranges. What is the probability that the meandiameter for this sample is smaller than 3.5 inches?(2) Let a denote the amount spent at a grocery store. Assume x is normallydistributed with standard deviation a $11.46. Ten customers' billswere recorded, there average bill was $89.38. Finda) The margin of error.b) A 95% confidence interval for the population mean.

as per guideline expert have to solve first question only. Q-1)normal distributionμ = 3.2σ = 1.1

Answered: Math 23 Practice Test 3 (1) The…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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