4.2) Sam has 6 rose bushes. He counted the flowers on each of them. There are 8, 2, 5, 4, 11 and 9. Find the Standard Deviation. Is X a "Usual" number of flowers? X is your last two digits of your CUNY First ID Number. (00 = 0, 01 = 1, ...). In the above problem X is 76, I need step by

4.2) Sam has 6 rose bushes. He counted the flowers on each of them. There are 8, 2, 5, 4, 11 and 9. Find the Standard Deviation. Is X a "Usual" number of flowers? X is your last two digits of your CUNY First ID Number. (00 = 0, 01 = 1, ...). In the above problem X is 76, I need step by

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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4.2) Sam has 6 rose bushes. He counted the flowers on each of them. There are 8, 2, 5, 4, 11 and 9. Find the Standard Deviation. Is X a "Usual" number of flowers?

X is your last two digits of your CUNY First ID Number. (00 = 0, 01 = 1, ...).

In the above problem X is 76, I need step by step solutions as quickly as possible.

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th Last year over 8000 students took an entrance exam at a certain state university. Amanda's score was at the 66" percentile. John's score was at the 32d percentile. (If necessary, consult a list of formulas.) (a) Which of the following must be true about Amanda's and John's scores? O Amanda scored higher than John. O Both Amanda and John scored higher than the median. O Amanda got 34 more questions correct than John. O Amanda's and John's scores were both in the bottom half of all scores. (b) Which of the following must be true about Amanda's score? O Amanda scored higher than about 34% of the students who took the exam. O About 34% of the students who took the exam scored higher than Amanda. O Amanda got about 66% of the questions correct. O Amanda got about 66% of the questions wrong.
Which of the following statements are true?
Need the H0 and H1 values. Can use != for not equal to.
B₁ is an estimator of B₁ a. True O b. False
See picture for questions a and b. Problem For admission to graduate school, Diane is taking the physics subject-matter test, and Lena is taking the chemistry subject-matter test. For each of these tests, the distribution of scores is clearly bell-shaped. Scores for the physics test have a population mean of 631 points with a standard deviation of 26 points. Scores for the chemistry test have a population mean of 608 points with a standard deviation of 35 points. Diane scored 695 on the physics test, and Lena scored 667 on the chemistry test.
Which of the following statements is not true? There is only one median for each variable. One definition of the median states that, for an odd number of observations, the median is the middle score when scores are placed in order of magnitude. Another term for the median is 50th percentile. The median is generally more sensitive to (i.e., affected by) the presence of a few extreme observations than is the mean.
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B Choosing a topic Sk.. For data that is not normally distributed we can't use z-scores. However, there is an equation that works on any distribution. It's called Chebyshev's formula. The formula 1 where p is the minimum percentage of scores that fall within k k2 is p = 1 - standard deviations on both sides of the mean. Use this formula to answer the following questions. a) If you have scores and you don't know if they are normally distributed, find the minimum percentage of scores that fall within 2.2 standard deviations on both sides of the mean? b) If you have scores that are normally distributed, find the percentage of scores that fall within 2.2 standard deviations on both sides of the mean? c) If you have scores and you don't know if they are normally distributed, how many standard deviations on both sides of the mean do we need to go to have 64 percent of the scores? Note: To answer part c you will need to solve the equation for k.