At least 335 of the largest companies in the United States recorded revenue growth in the interval of p percent and q percent. What are the values ​​of p and q? B) What proportion of the largest companies in Japan recorded revenue growth of more than 13.1 percent?

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
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In a given year, the revenue growth of the 500 largest companies in the United States recorded a mean of 11.2 percent and a standard deviation of 3.5 percent. Also known the median and income growth modes were 7.45 percent and 4.38, respectively percent.

In contrast, the revenue growth of the 500 largest companies in Japan is symmetrically distributed and bell-shaped (symmetrical and bell-shaped) with a mean of 7.5 percent and standard deviation of 2.8 percent.

A) At least 335 of the largest companies in the United States recorded revenue growth in the interval of p percent and q percent. What are the values ​​of p and q?

B) What proportion of the largest companies in Japan recorded revenue growth of more than 13.1 percent?

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