Use the standard normal table to find the Z-score that corresponds to the cumulative area 0.9945. If the area is not in the table, use the entry closest to the area. If the area is halfway between two entries, use the z-score halfway between the corresponding z-scores. Click to view page 1 of the standard normal table. Click to view page 2 of the standard normal table. z=(Type an integer or decimal rounded to three decimal places as needed.)

Q: Find the margin of error for the given data values of c,s and n c = 0.92, s = 460 and n = 42 Round…

A: Answer: From the given data, Sample size(n) = 42 Standard deviation(S) = 460 Confidence interval =…

Q: The mean and S.D. of income of 50 men are Rs. 3200 and Rs. 525 respectively The same for 40 women…

A: Formula for S.D for combined group: σ12=n1(σ12+d12)+n2(σ22+d22)n1+n2          Combined mean is,…

Q: Make a table showing the approximate values and the actual value, together with the percentage error

A: xy'=12x-3y..................1Let x=e2z=logxdzdx=1xdydx=dydz·dzdx ⇒dydz·1xxdydx=dydzNow equation (1)…

Q: Calculate the standard score for each given value. Round your answer to the nearest hundredth

A: According to the given information, we have Mean = 1123 Standard deviation = 241

Q: The variable with the largest positive Pj – Zj value is the a. artificial variable b. entering…

A:

Q: Explain the role of Statistics in biological science.

A: Statistics is a part of mathematics that involves collecting data, its study, analysis, and…

Q: A box contains 55 red cookies, 30 blue cookies, and  100 green cookies.  Find the relative frequency…

A: Given: Number of red cookies=55 Number of blue cookies=30 Number of green cookies=100   Total number…

Q: When 450 junior college students were surveyed, 125 said that they have previously owned a…

A: sample size(n)=450 No. of students said that they have previously owned a motorcycle(x)=125

Q: Approximately 1 percent of women ages 40-50 have breast cancer. A woman has a 95 percent chance of a…

A:

Q: A researcher records the gender of each child born in the county hospital during the month of June.…

A:

Q: A production process produces an item. On average, 16% of all items produced are defective. Each…

A: Given that 16% of all items produced are defective.This means (100-16)%=84% products are good. Given…

Q: The variable height that is measured into short and tall groups is considered a variable.…

A: We know that  A quantitative variable represents a measure and is numerical. while qualitative…

Q: Based on the histogram, find the portion of ATHs in the sample that are at least 1000 thousand…

A: Consider a random variable X that defines the number of ATH in the sample.

Q: Smith works as a welder inspector in a shipyard. He knows from keeping track of good and poor welds…

A: Let p denote the propprtion of poor welds. Given that p = 5% = 0.05 Sample size n = 300

Q: Determine the level of measurement of the variable below. Dress Color

A: Quantitative: The interval and ratio scale of measurements are categorized under the quantitative…

Q: State the generic error for an interpolating formula?

A:

Q: Data by ZIP Code 8'0 9'0

A: Boxplot is used to display five-point summary, i.e., first, second and third quartiles, minimum and…

Q: While at the Mall of America, Consumer Guide Report surveyed 500 people and asked them to list the…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.