Question

The experimental probability of flipping a red-yellow counter and landing on yellow is 9/16 . If the counter landed on red 35 times, find the number of tosses.

Answer 1

The expected value of a distribution is the mean of the distribution

The number of tosses is 62

How to calculate the number of tosses

The expected value is given as:

E(x) = 35

The probability is given as:

p = 9/16

So, we  have:

E(x) = n * p

Substitute known values

$35 = n * 9/16$

Divide both sides by 9/16

n = 62

Hence, the number of tosses is 62

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