Consider the following random sample of diameter measurements (in inches) of 13 softballs.4.84, 4.71, 4.86,4.9,4.71 , 4.72,4.72,4.78,4.71 , 4.83 , 4.69, 4.68, 4.73Send data to calculatorSend data to ExcelIf we assume that the diameter measurements are normally distributed, find a 90% confidence interval for the mean diameter of asoftball. Give the lower limit and upper limit of the 90% confidence interval.Carry your intermediate computations to at least three decimal places. Round your answers to two decimal places. (If necessary, consult alist of formulas.)Lowerlimit:?Upperlimit:O O

Data given 4.84,4.71,4.86,4.9,4.71,4.72,4.72,4.78,4.71,4.83,4.69,4.68,4.73

Answered: Consider the following random sample of…

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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calculate the pooled variance for the following samples: sample 1, n= 73 with a sample variance = 68. sample 2, n= 75 with a sample variance = 89. (Be sure to round answer to the second decimal places)
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1. The strength of a fiber is normally distributed with a known population standard deviation of 12 kg. An engineer sampled random pieces of fiber, and got the following data: 43, 54, 74.2, 47, 61.6, 80, 38, 40, 32 Find the 96% confidence interval for the mean strength of the fiber.
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Construct a confidence interval for the ratio of the population variances given the following sample statistics. Round your answers to four decimal places. n1=9, n2=18, s1^2/s2^2=1.17, a=0.1
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3. Given the following GPA for 4 students: 2, 3, 3, 4. Age of students are: 10, 11,12, 15. There are 10,000 total students. Average GPA: Unknown, StandardDeviation of GPA: 0.02 and it’s Normal.a. Find the mean and standard deviation for GPA.b. Calculate a 95% confidence interval for the populations mean GPA.c. Use Correlation formula to find r between GPA and Age.d. Find Regression Line Equation.e. If a student’s age is 13, what is the corresponding GPA?
A supplier of digital memory cards claims that no more than 1% of the cards are defective. In a random sample of 600 memory cards, it is found that 3% are defective, but the supplier claims that this is only a sample fluctuation. How many populations? 01 What is the parameter? O tandard Deviation Variance Difference between Means Proportion Mean
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