04/22/20

A movie theater is testing out their soda machine to see if it is dispensing the same amount for their “small-sized” sodas
 A quality control engineer is concerned that the machine is under filling the cups. He draws a random sample of 8 cups and records the following... more
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04/22/20

If the odds against a certain event are 8 to 17, what is the probability of the event occuring? Write your answer as a simplified fraction.
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04/22/20

P-Value and Test Statistic
Physicians at a clinic gave what they thought were drugs to 840 patients. Although the doctors later learned that the drugs were really placebos, 58% of the patients reported an improved condition.... more
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03/26/20

Suppose that you deposit $425 at an interest rate of i = 5%. Using the formula for future value, how much will you have in the bank after 60 periods?

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03/19/20

Use the table below to calculate the rate of inflation between 2008 and 2009.
Year Consumer Price Index 2008 150 2009 165 Inflation Rate between 2008 and 2009=
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03/19/20

i dont get how to solve this question.
what is the answer to 6 > y + 3 ?
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03/02/20

Perpetuities - Annuities
A perpetuity pays $2X one year from today. The payments increase by 5% per year thereafter. The effective annual interest rate on this perpetuity is 6%. The present value is $32,400. A second... more
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06/02/15

Annual interest rate
Sally invests $4000 in a savings account which compounds interest monthly. After 10 years, she has a balance of $4,491.73. What is the annual interest rate of the account, rounded to the nearest... more
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05/12/15

True or False?
When the necessary conditions are met, a two-tail test is being conducted to test the difference between two population means, but your statistical software provides only a one-tail area of 0.156... more
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