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

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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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
Transcribed Image Text: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
The weekly demand X for gasoline at a certain supply station has the probability density function given by
f(x) = x
0≤x≤ 1
11/2013
1 ≤ x ≤ 2
0
elsewhere
a. What is the expected weekly demand?
b. What is the variance?
Transcribed Image Text:The weekly demand X for gasoline at a certain supply station has the probability density function given by f(x) = x 0≤x≤ 1 11/2013 1 ≤ x ≤ 2 0 elsewhere a. What is the expected weekly demand? b. What is the variance?
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