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Sagot :
Answer:
to find the probability that X is greater than eight for this. Normally distributed data set, Given that the mean is five. And the standard deviation is too We're going to use the normal cumulative distribution function and we're going to use our calculator. I've already done it once on my calculator, but I'll walk through it again so that you can see it. So I need to select second vars. So I get the different distributions, choose number two. Now notice the lower bound is set at eight and the upper bound has this one E. To the 99. To get that one E to the 99. The one is easy to type, but the E is above the question or the comma here. So I need to use second comma Followed by 9 9. The mean we were given was to five. And the standard deviation was too. And then I select paste, enter and enter again and there's the probability 0.066, eight.
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