Stat 200 Final Exam – Latest
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STAT 200 FINAL EXAM – Complete Solution 1. True or False. Justify for full credit.
(a) The volume of milk in a jug of milk is 128 oz. The value 128 is from a discrete data set.
(25 pts)
• (b) If the variance from a data set is zero, then all the observations in this data set must be zero.
• (c) P( A AND Ac ) 0, where Ac is the complement of A.
• (d) The mean and median for a normal distribution are always the same.
• (e) In a hypothesis testing, if the p-value is less than the
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(10 pts)
14. UMUC Stat Club is sending a delegate of 2 members to attend the 2015 Joint Statistical Meeting in Seattle. There are 10 qualified candidates. How many different ways can the delegate be
selected?
15. Imagine you are in a game show. There are 4 prizes hidden on a game board with 10 spaces. One prize is worth $100, another is worth $50, and two are worth $10. You have to pay $20 to the host if your choice is not correct. Let the random variable x be the winning. Show all work. Just the answer, without supporting work, will receive no credit.
1. What is your expected winning in this game?
2. Determine the standard deviation of x. (Round the answer to two decimal places.)
16. Mimi just started her tennis class three weeks ago. On average, she is able to return 20% of her opponent’s serves. Assume her opponent serves 8 times. Show all work. Just the answer, without supporting work, will receive no credit.
(a) Let X be the number of returns that Mimi gets. As we know, the distribution of X is a binomial probability distribution. What is the number of trials (n), probability of successes (p) and probability of failures (q), respectively?
• (b) Find the probability that that she returns at least 1 of the 8 serves from her opponent.
• (c) How many serves can she expect to return?
Refer to the following information for Questions 17, 18, and 19. Show all work. Just the answer, without supporting work,
I asked Emma Nuzzi what she thought her biggest accomplishment was, she replied with “I would say becoming a very good tennis player.” Emma Nuzzi started playing tennis at age twelve, which she thinks was a late age. When Emma was in the seventh grade she told her gym teacher that she wanted to play tennis she then replied to Nuzzi with “Maybe.”, this did not encourage Emma at the time because her gym teacher was the varsity tennis coach. Emma did not let this get to her too much because she practiced and became the player that she is today.
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Complete exercises 4.3, 4.9, 4.15, 4.19, 4.23, 4.26, 4.61 (parts a, b, c and d only) in the textbook.
In tennis serve the summation of forces is important as athletes wants to reach maximum speed and accuracy, which through the correct sequence of body movement this greater force will be generated (Geiblinger, 2016).
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A medical researcher collects health data on many women in each of several countries. One of the variables measured for each woman in the study is her weight in pounds. The following list gives the five-number summary for the weights of adult women in one of
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On the afternoon of August 8th, 2016 a young girl was facing the tennis match of her life. The Girls 14s Nationals were coming to a close and the championship trophy was only 3 games and 1 set away. Everything she had dreamed for was so close, yet so far. The extremely sunny sky glared into her eyes, making it impossible to think. But she couldn’t lose hope now, if she won this match, she would be crowned the Girls 14s Nationals Champion for Tennis. All she had to do was clutch this game. Just a few more points…
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For problems 12 to 14, do the following: (a) Make a scatter diagram of the
6)Receiving the serve is vital to success for any team. Poor reception of service puts teams hoping to get a sideout at a huge disadvantage right from the beginning. If the person receiving the serve is unable to make a good pass to the setter, then the setter's task of setting a good ball to the spiker is made that much more difficult. Receiving the serve sets the tone, then, for the whole offensive sequence that follows.