To examine practices towards a pandemic otubreak, the researcher examined the relevant responses from the survey and assigned scores of 1 (below required standard), 2 (poor standards), 3 (satisfactory standards), 4 (meets required standards) and 5 (exceeds required standard) to each respondent. Using X to represent the score for practices against a pandemic outbreak, the probability distribution of X is shown in Table 3 below. x 1 2 3 4 5 P(X=x) 0.21 0.197 0.2 0.173 0.22 The researcher is interested in using the information in Table 3 to determine the probability that, from a sample of 10 randomly selected adults, exactly 3 of them exceeds the required standard for practices towards a pandemic outbreak. Question:Individual scores for practices towards a pandemic outbreak are found to be normally distributed with a mean of 3 and a standard deviation of 1.5 over the entire population. The government wishes to use this information to identify individuals whose score on practices towards pandemic outbreak is in the lower 75%, in order to give them relevant information on the best practices towards pandemic outbreak. You are asked to assist in calculating the score that the government should use to decide whether an individual should be given the relevant information?

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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To examine practices towards a pandemic otubreak, the researcher examined the relevant responses from the survey and assigned scores of 1 (below required standard), 2 (poor standards), 3 (satisfactory standards), 4 (meets required standards) and 5 (exceeds required standard) to each respondent. Using X to represent the score for practices against a pandemic outbreak, the probability distribution of X is shown in Table 3 below.

x	1	2	3	4	5
P(X=x)	0.21	0.197	0.2	0.173	0.22

The researcher is interested in using the information in Table 3 to determine the probability that, from a sample of 10 randomly selected adults, exactly 3 of them exceeds the required standard for practices towards a pandemic outbreak.

Question:

Individual scores for practices towards a pandemic outbreak are found to be normally distributed with a mean of 3 and a standard deviation of 1.5 over the entire population. The government wishes to use this information to identify individuals whose score on practices towards pandemic outbreak is in the lower 75%, in order to give them relevant information on the best practices towards pandemic outbreak. You are asked to assist in calculating the score that the government should use to decide whether an individual should be given the relevant information?

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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