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Ratling [72]
3 years ago
15

The number of potato chips in a bag is normally distributed with a mean of 75 and a standard deviantion of 5. Approximately what

percent of bags contain between 65 and 85 potato chips?
a. 68%
b. 75%
c. 95%
d. 99.7%​
Mathematics
1 answer:
ladessa [460]3 years ago
4 0

The percentage of bags contain between 65 and 85 potato chips is 95%.

<u>Step-by-step explanation:</u>

A probability distribution that is symmetric and the data near the mean are more frequent than far is known as a normal distribution. Normal distributions are important in statistics and are often used to represent real-valued random variables.

The formula for finding the percentage of bags using normally distributed is given as

f(x) = (1 / sigma * square root 2 *pi) * e^((-1/2)*((x-u)/sigma))

Substituting the values of mean and standard deviation,

The percentage of bags contain between 65 and 85 potato chips is 95%.

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