1. A coin is tossed 400 times. Use the normal-curve approximation to find the probability of obtaining (a) between 185 and 210 heads inclusive; (b) exactly 205 heads; (c) less than 176 or more than 227 heads.

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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1. A coin is tossed 400 times. Use the normal-curve approximation to find the probability of obtaining
(a) between 185 and 210 heads inclusive;
(b) exactly 205 heads;
(c) less than 176 or more than 227 heads.
Transcribed Image Text:1. A coin is tossed 400 times. Use the normal-curve approximation to find the probability of obtaining (a) between 185 and 210 heads inclusive; (b) exactly 205 heads; (c) less than 176 or more than 227 heads.
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