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denis23 [38]
3 years ago
14

The probability that a radish seed will germinate is 0.7. a gardener plants seeds in batches of 11. find the standard deviation

for the random variable x, the number of seeds germinating in each batch.
Mathematics
1 answer:
den301095 [7]3 years ago
3 0

To calculate for the standard deviation given the probability, we use the formula:

s = sqrt (n p q)

where s is standard deviation, n is number of samples = 11, p is probability of success = 0.7, q = 1 – p = 0.30

 

s = sqrt (11 * 0.7 * 0.3)

<span>s = 1.52</span>

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Step-by-step explanation:

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<h3>What is an equation?</h3>

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