The length of time, x, between charges of a cellular phone is normally distributed with mean 10 hours and standard deviation of 1.25 hours. Find the chance the cell phone will last between 8 and 12 hours between charges. O A. 89.04% O B. 74.69% OC. 10.96% O D. none of these is correct

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A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

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Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

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A: Given,population mean(μ)=75population standard deviation(σ)=4Raw score(X)=73

Q: The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 122…

A: It is an important part of statistics. It is widely used.

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A: Solution: Given information:  Let x= The pre‑exam totals  and  y= The final‑exam scores  r= 0.5…

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Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

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