Question 5: If birth weights in a population are normally distributed with a mean of 109 oz and a standarddeviation of 13 oz:а.What is the chance of obtaining a birth weight of 141 oz or heavier when sampling birth recordsat random?b.What is the chance of obtaining a birth weight of 120 or lighter?С.What is the 70 percentile weight ?

X has normal distributed. X~N(μ,σ) μ=109 oz and σ=13 oz

Answered: Question 5: If birth weights in a…

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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Given a sample data set with a Standard Deviation of 1.34, what is the Variance of the data set.? Round your answer to two digits after the decimal point.
Given that the mean weight of senior high school students is 65kg with a standard deviation of 10. What is the percentile rank of a student with a weight of 55 kg? O a. 15th O b. 16th C. 34th O d. 33rd
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According to the Carnegie unit system, the recommended number of hours students should study per unit is 2. Are statistics students' study hours less than the recommended number of hours per unit? The data show the results of a survey of 13 statistics students who were asked how many hours per unit they studied. Assume a normal distribution for the population. 0.7, 1.8, 1, 0.6, 3, 0.9, 0.9, 1, 3.2, 1.5, 0.1, 0.1, 3.2 What can be concluded at the αα = 0.10 level of significance? The test statistic = ___________ (please show your answer to 3 decimal places.) The p-value = ____________ (Please show your answer to 4 decimal places.)
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According to the Carnegie unit system, the recommended number of hours students should study per unit is 2. Are statistics students' study hours less than the recommended number of hours per unit? The data show the results of a survey of 13 statistics students who were asked how many hours per unit they studied. Assume a normal distribution for the population. 2.1, 3.4, 1.9, 3, 2.5, 2.6, 0.2, 3.4, 1.2, 1.7, 3, 1, 0.2 What can be concluded at the αα = 0.05 level of significance? For this study, we should use The null and alternative hypotheses would be: H0:H0: H1:H1: The test statistic = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.)

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