I'm completely lost can someone really break it down in English with how to answer each...

I'm completely lost can someone really break it down in English with how to answer each

For each question, draw the appropriate picture, with shading. Then show all calculations and write a sentence for your answer.

The weight of new-born babies in the US is normally distributed with a mean of 7.5 pounds and a standard deviation of 2 pounds.

What percentage of new-born babies in the US weighs more than 7.5 pounds?

What is the probability that a new-born baby in the US weighs more than 9.5 pounds?

What is the chance that a new-born baby in the US weighs less than 3.5 pounds?

What is the probability that a new-born baby in the US weighs between 3.5 pounds and 9.5 pounds?

Solutions

Expert Solution

1) percentage of new-born babies in the US weighs more than 7.5 pounds is 50%

2) the probability that a new-born baby in the US weighs more than 9.5 pounds is 0.1587

3) the chance that a new-born baby in the US weighs less than 3.5 is 0.0227

4) the probability that a new-born baby in the US weighs between 3.5 pounds and 9.5 pounds is 0.8186

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orchestra answered 11 months ago

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