What is the probability that a random sample of 196 letters will contain less than 15% "e s? Type your calculated z-score here. Express its value to the nearest hundredth (two decimal places) Type your probability here. Express its value to four decimal places.
What is the probability that a random sample of 196 letters will contain less than 15% "e s? Type your calculated z-score here. Express its value to the nearest hundredth (two decimal places) Type your probability here. Express its value to four decimal places.
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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Samuel F.B. Morse (1791-1872), the creator of the Morse Code, claimed that 12 % of all letters used in English language were "e"s. Suppose random samples of 196 letters are selected from a book. Use this information to answer question below

Transcribed Image Text:QUESTION 4
What is the probability that a random sample of 196 letters will contain less than 15% "e s?
Type your calculated z-score here. Express its value to the nearest hundredth (two decimal places).
Type your probability here. Express its value to four decimal places.
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