6.32 The average monthly mortgage payment for all homeowners in a city is $2850. Suppose that the distribution of monthly mortgages paid by homeowners in this city follow an approximate normal distri- bution with a mean of $2850 and a standard deviation of $420. Find the probability that the monthly mortgage paid by a randomly selected homeowner from this city is a. less than $1200 b. between $2300 and $3140 d. between $3200 and $3700 c. more than $3600

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A: Basics:   Mean x=ΣxnStandard deviation is given by:  S.d=Σx2-nx2n-1

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A: Given data,μ=72σ=8P(65<X<77)=?

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A: Note- Since you have posted multiple questions, as per our guidelines we are supposed to answer only…

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A:

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A: GivenMean(μ)=54000standard deviation(σ)=12000sample size(n)=4

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A: Note: " Since you have posted many sub-parts. we will solve the first three sub-parts for you. To…

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A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

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A: X~N( μ , ?^2 )    μ =69     , ? = 2.5   Z-score =( x - μ )/?

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A: Normal distribution

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Q: e that the heights of women are normally distributed with a mean of 63.6 inches and a standard…

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Q: Suppose that a plaque in an elevator contains the following statement: Maximum weight 3500 pounds or…

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A: X: Amount of sugar (kg) X~N(2.03, 0.0142)

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A: From the information, the number of jumbo shrimp in a 1-pound bag averages m = 12.5 witha standard…