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The Law Enforcement and Management Statistics (LEMAS) survey reported that the mean number of School Resource Officers (SROs) per 1,000 students in U.S. cities with populations of 100,000 or more was 1.25 (s = 0.71)
One department had 2.13(SROs) per 1,000 students
A. Convert this raw score to a z-score
B. Find the area between the mean and z (make sure to also provide an interpretation)
C. Find the area in the tail of the distribution beyond z (make sure to also provide an interpretation)
Provide some examples of discrete and continues variables. What attributes of these variables make them discrete and continuous? Why?
A recent visit to a nursing home showed how many times nursing residents fell in the last 24 months.
Gallup recently surveyed a random sample of 1015 adults, aged 18 years and older, from across the United States, about their use of mobile health apps
Verify that the 0.95 confidence interval for the slope is (0.14, 0.17). Would you reject H0 :β1 = 0? Based on this confidence interval only, can you be reasonably certain that generally, as X increases, Y increases as well?
Indicate which of the following statements is a feature, advantage, or benefit. Write your answer on a sheet of paper.
Compute the probability that the delivery time is longer than 17 minutes.
In this assignment, you develop two purpose statements using the same data set (different purposes, same data) and will use regression and two sample hypothesis testing to analyze the same set of data. For example, you may want to determine if there ..
Find the probability that in one run of the shuffle she will not listen to a single song by John Denver. Find the probability that in one run of the shuffle she will definitely listen to "Take Me Home, Country Roads".
What is the probability of obtaining x = 570 or more individuals with the? characteristic?
Several companies have been developing electronic guidance systems for cars.- Is there evidence to conclude that the Motorola electronic guidance system is superior to that of the German competitor?
Calculate the expected value of your portfolio and calculate the expected standard deviation of your portfolio.
1. Enter missing data. 2. Merge and center cells above the table and then enter the table title. 3. Use the cell borders tools to put gridlines around each cell.
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