Suppose certain coins have weights that are normally distributed with a mean of 5.912 g and...

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Suppose certain coins have weights that are normally distributed with a mean of 5.912 g and...

Suppose certain coins have weights that are normally distributed with a mean of 5.912 g and a standard deviation of 0.075 g

A vending machine is configured to accept those coins with weights between 5.802 g and 6.022 g.

If 260 different coins are inserted into the vendingmachine, what is the expected number of rejectedcoins? The expected number of rejected coins is 37.
If 260 different coins are inserted into the vending machine, what is the probability that the mean falls between the limits of 5.802 g and 6.022? The probability is approximately (Round to four decimal places as needed.)?

math Statistics-And-Probability

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Answer 1

Answer #1

Given that, mean = 5.912 g and

standard deviation = 0.075 g

b) Sample size ( n ) = 260

We want to find,

Therefore, required probability is 1.0000

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Answer 2

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