Mathematics, 31.03.2020 00:52 kyasnead8189
The Wall Street Journal reported that 33% of taxpayers with adjusted gross incomes between $30,000 and $60,000 itemized deductions on their federal income tax return. The mean amount of deductions for this population of taxpayers was $16,642. Assume the standard deviation is .
Answers: 3
Mathematics, 21.06.2019 18:00
Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?
Answers: 2
Mathematics, 21.06.2019 20:20
Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?
Answers: 1
Mathematics, 21.06.2019 21:00
If u good at math hit me up on insta or sum @basic_jaiden or @ and
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Mathematics, 22.06.2019 00:30
36x2 + 49y2 = 1,764 the foci are located at: a) (-โ13, 0) and (โ13,0) b) (0, -โ13) and (0,โ13) c) (-1, 0) and (1, 0)
Answers: 1
The Wall Street Journal reported that 33% of taxpayers with adjusted gross incomes between $30,000 a...
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