Answers: 1
Mathematics, 22.06.2019 00:30
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
Mathematics, 22.06.2019 04:30
Acertain company's main source of income is a mobile app. the company's annual profit (in millions of dollars) as a function of the app's price (in dollars) is modeled by p(x)=-2(x-3)(x-11)p(x)=β2(xβ3)(xβ11) which app prices will result in \$0$0 annual profit? enter the lower price first.
Answers: 2
Mathematics, 22.06.2019 05:30
If the velocity of a car is 45km/h west, how far can it travel in 0.5 hours?
Answers: 2
Determine if f(x)= x + 12/ x is even, odd, or neither...
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