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A type of new car is offered for sale with 4 option packages. A customer can...

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Basic Math

A type of new car is offered for sale with 4 option packages. Acustomer can buy any number of? these, from none to all 4. Amanager proposes the null hypothesis that customers pick packagesat? random, implying the number of packages bought by a customershould be binomial with n equals=4.
This table shows the number of packages chosen by 400customers.

PackagesCustomers
030
1104
2147
3107
412

?(a) Find the binomial parameter p needed to calculate theexpected counts.

?(b) Find the estimated probability that a customer picks oneoption.

?(c) Find the degrees of freedom for chi?squared2.

(d) Find the value of chi?squared2 for testing Upper H0

?(e) Find the? p-value for testing Upper H0


.

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