Question

Asked Nov 9, 2019

#9 Write the following in inequality notation, interval notation and graph the interval.

The confidence interval estimate of a population mean has been found to be -2.4 +- 7.4

Step 1

The confidence interval estimate of a population mean has been found to be -2.4±7.4

Given that inequality notation -2.4±7.4

Step 2

Now, interval n...

Tagged in

Q: The Internal Revenue Service reports that the mean federal income tax paid in the year 2010 was $804...

A: Given from question,Mean (μ) =$8040, standard deviation (σ) =$4900 and sample size (n) =1000.

Q: The weights of the Imaginary Texas Winter Melon are normally distributed with a mean of 20 pounds an...

A: Given dataMean = 20Standard Deviation = 4z-score is given by the following formula

Q: Please see picture

A: Poisson Distribution Formula:

Q: The weight of a type of dog follows Normal distribution with mean of 10 pounds and standard deviatio...

A: Given Information:

Q: A researcher wants to estimate the average amount of money a person spends on buying lottery tickets...

A: The sample size (n) is 50. The sample mean (x̄) is $15 and the sample standard deviation (s) $3.4.Th...

Q: Please show TI 84steps

A: It is given that the margin error (E) is 0.15 and the data lies between 32 to 40. The confidence lev...

Q: Computers are commonly used to randomly generate digits of telephone numbers to be called when condu...

A: A nonstandard normal distribution cannot be used because the randomly generated digits themselves do...

Q: Suppose that a brand of lightbulb lasts on average 1758 hours with a standard deviation of 191 hours...

A: It is given that a brand of lightbulb lasts on average is 1758 hours with a standard deviation of 19...

Q: Please help me with this problem

A: Given information,A survey of 300 union members in New York State reveals that 112 favor the republi...