Find the probability that 9 light bulbs light up
We have a box of 12 light bulbs. The probability that a particular light bulbs lights on opening is 0.95. This meets the binomial assumptions.
Find the probability that 9 light bulbs light up:Find the probability that between 9 and 11 light:
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Is it possible that exactly half of all senior executives believe that the most common job interview mistake is to have little or no knowledge of the company. Why or Why not?
Differentiate environmental conservation and preservation efforts. Utilize the steps of risk assessment in determining adverse health impacts.
If in a random poll of 250 residents, 150 residents were in favor, how accurate is this result as an estimate of the proportion?
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In order to estimate the average electric usage per month, a sample of 196 houses was selected, and the electric usage determined.
John Davis, a manager of a supermarket, wants to estimate the proportion of customers that will be using food stamps at his store. How large a sample is required to estimate the true proportion to within 3% with 98% confidence?
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It's Thanksgiving again and your angry uncle is ranting about the government not having the authority to regulate commerce, trade, and the economy.
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