r9o1010 Aucimal places)sadleCx03.963The average score of local students on a college entrance exam is 110 with standard deviationof 15. The distribution is roughly belhaped. Use the empirical rule to find the followingpercentage.a) The percentage of local student with score above 155.b) The percentage of local student with score between 80 and 125.c) The percentage of local student with score below 95apter 311. A blood bank catalogs the types of blood, including positive or negative Rh-factor, given by donorsduring the last five days. The number of donors who gave each blood type is shown in the table.Complete the table.Blood TypeTotalАВЯ3834412138156Positive64

From the provided information, the average (μ) and standard deviation (σ) of local students on a…

Answered: r9o1010 Au cimal places) sadle Cx03.9…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A data set consists of the 11 data points shown below, plus one additional data point. When the additional point is included in the data set, the sample standard deviation of the 12 points is computed to be 15.225. If it is known that the additional data point is 25 or less, find the value of the twelfth data point. 48, 42, 12, 56, 33, 23, 24, 21, 37, 21, 27 Value of the additional data point =
The police reported that the average driver exceeds the 50 miles per hour speed limit by more than 9 miles per hour on the busiest street in a small town. A sample of 63 randomly selected cars were clocked by airplane radar. The average speed was 57.5 miles per hour, and the standard deviation of the speeds was 4.17 miles per hour. Determine if the average speed is greater than what the police department reported. Which parameter(s) are you given? Mark all that apply. p μ σ none Which statistic(s) are you given? Mark all that apply. ¯x ˆp ˆq s x none What is the problem asking you to do? Estimate a parameter Test a given parameter
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This Quiz: 13 pts possibl Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 63 miles per hour, with a standard deviation of 3 miles per hour. Estimate the percent of vehicles whose speeds are between 54 miles per hour and 72 miles per hour. (Assume the data set has a bell-shaped distribution.) Approximately % of vehicles travel between 54 miles per hour and 72 miles per hour. (1,1) More Enter your answer in the answer box.
Assume that adults have IQ scores that are normally distributed with a mean of 104.5 and a standard deviation 24.7. Find the first quartile Q,. which is the IQ score separating the bottom 25% from the top 75%. (Hint Draw a graph.) The first quartile is (Type an integer or decimal rounded to one decimal place as needed.)
Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway per hour and 85 miles per hour. (Assume the data set has a bell-shaped distribution.) 70 miles per hour, with a standard deviation of 5 miles per hour. Estimate the percent of vehicles whese speeds are between 55 miles Approximately% of vehicles travel between 55 miles per hour and 85 miles per hour.
A distributor's average daily customer demand is 400 units. The standard deviation of customer demand is 30 units. If the distributor would like to maintain a 98% service level (Z score = 2.05) and the supplier's lead time is 9 days, how much safety stock should be held? O 123 units O 185 units O 36,000 units O 554 units
A,b,c
2???
Show work Researchers conducting a study of 15 children with a diagnosis of ADHD wish to assess whether the BMI of the children is correlated with degrees of hyperactivity in the child. The BMI of the children is shown in the image. Please calculate the Standard Deviation of the BMI for the children, and report to the hundredths place (e.g. 26.789 is rounded 26.79)
Claim: The standard deviation of pulse rates of adult males is less than 12 bpm. For a random sample of 153 adult males, the pulse rates have a standard deviation of 11.7 bpm. Find the value of the test statistic.

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