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IRS data indicates that the tax refunds it issued this year follow the normal distribution with...

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Basic Math

IRS data indicates that the tax refunds it issued this yearfollow the normal distribution with ? = 1,200 and ? = 200. Based onthis information calculate the following probabilities.

  1. Probability of selecting a tax return, the refund for whichwill fall between $1,170 and $1,200:


  2. Probability of selecting a tax return, the refund for whichwill be less than $1,406:


  3. Probability of selecting a tax return, the refund for whichwill be more than $1,598:


  4. Probability of selecting a tax return, the refund for whichwill fall between $1,132 and $1,354:

Answer & Explanation Solved by verified expert
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Given 1200 200We convert this to    See Answer
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