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1) suppose thatxis normally distributed with a mean of 20 and a standard deviation of 3. What is P(16.91 x 24.59)? 2) The length of
1) suppose thatxis normally distributed with a mean of 20 and a standard deviation of 3. What is P(16.91 x 24.59)?
2) The length of time needed to complete a certain test is normally distributed with mean 31 minutes and standard deviation 6 minutes. Find the probability that it will take less than 40 minutes to complete the test.
3)Find a value of c so that P(Z c) = 0.52.
4)Consider a spinner that, after a spin, will point to a number between zero and 1 with uniform probability. Determine the probability: P(16 X 1730).
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