Use the appropriate nomal distribution to approximate the resuting binomal distriution A coin is weighted so that the probability of obtaining a head ina singie tos is4 the con is tessed 0 tmes, fnd the ftewing protabtes (Rond yur ansers t ur deomal s) (a) fewer than 10 heads (b) hetween 10 and 15 heads, inclusive (c) more than 19 heads

A First Course in Probability (10th Edition)
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Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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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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Use the appropriate nomal distritbution to approximate the resulting binomial distribution.
A coin is weighted so that the probability of obtaining a head in a single toss is 0.4. Ir the coin is tessed 30 times, ind the fellowing probablites. (Hound your answers to four deomal praces
(a) fewer than 10 heads
(b) between 10 and 15 heads, inclusive
(c) more than 19 heads
Transcribed Image Text:Use the appropriate nomal distritbution to approximate the resulting binomial distribution. A coin is weighted so that the probability of obtaining a head in a single toss is 0.4. Ir the coin is tessed 30 times, ind the fellowing probablites. (Hound your answers to four deomal praces (a) fewer than 10 heads (b) between 10 and 15 heads, inclusive (c) more than 19 heads
The spees (in miles per hour) of mator vehicles on a certain stretch of Route 3A as cocked at a certain place aleng the highway are normaity distributed with a mean of 43 mph and a standara
deviation of 6.93 moh. What is the probabaty that a motor vehicle selected at random is traveling at the folowing speeds? (Round your anwers to four decimal places)
ta) more than 67 mph
(b) less than 4 moh
(C) between 7 and 73 mph
Transcribed Image Text:The spees (in miles per hour) of mator vehicles on a certain stretch of Route 3A as cocked at a certain place aleng the highway are normaity distributed with a mean of 43 mph and a standara deviation of 6.93 moh. What is the probabaty that a motor vehicle selected at random is traveling at the folowing speeds? (Round your anwers to four decimal places) ta) more than 67 mph (b) less than 4 moh (C) between 7 and 73 mph
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