Question: How do I figure this out with excel. I have a mean of 270,800 standard deviation = 90,000 median is 221,000 1. a random sample

How do I figure this out with excel.

I have a mean of 270,800

standard deviation = 90,000

median is 221,000

1. a random sample of 100,How do I calculate the the probability that the sample mean will be less than $300,000?

2

With a random sample of 100, How do I calculate the probability that the sample mean will be between $275,000 and $285,000?

THIS IS ALL THE INFORMATION I HAVE. IF IT CAN'T BE ANSWERED THEN I WILL NEED TO CANCEL MY SUBSCRIPTION BECAUSE YOUR COMPANY IS UNABLE TO HELP ME!

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