11/24/20

Round all answers to 4 decimal places where possible.
The amount of pollutants that are found in waterways near large cities is normally distributed with mean 9.4 ppm and standard deviation 1.6 ppm. 36 randomly selected large cities are studied. Round... more
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04/10/20

A Type II error occurs when
a. we correctly reject the alternative hypothesis.b. we incorrectly fail to reject the alternative hypothesis.c. we correctly fail to reject the alternative hypothesis.d. we incorrectly reject the... more
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04/10/20

Give the values of the test statistic, and the p-value.
in the 90's the mean number televisions in a household was 2.1.A sociologist believes that this number has increased significantly in the last 20 years. 50 households are randomly sampled in 2020.... more
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02/27/20

A plane can carry 360 passengers. On a particular day, there are 240 passengers on the plane. Identify the correct inequality and the solution to show how many more passengers the plane can carry.
I don't know the answer
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02/27/20

Find the present value of $10,000 if interest is paid at a rate of 9% per year, compounded semiannually , for 3 years .
Also looking on how to get the compounded semiannually
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02/17/20

Unit 11 Test Probability & Statistics
The odds of winning a game at the carnival are 3 in 7. If Liza plays the game nine times, what is the probability that she wins exactly two times?
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02/07/20

Write an expression for two times the difference of eight and d.
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02/06/20

​Connie's boat travels at 5 mph. Find the rate of the current of the river if she can travel 12 miles upstream in the same time she can travel 28 miles downstream.
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01/10/20

what is the product of 12 and y is greater than or equal to 60?
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12/14/19

Statistics r105 M&W

A particular fruit's weights are normally distributed, with a mean of 259 grams and a standard deviation of 12 grams.If you pick one fruit at random, what is the probability that it will weigh... more
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