8.Daniel is a high school student who spends time on the weekend doing his schoolwork. At most he spends 5hours doing school work. 5% of the weekends he studies for 0 hours, 8% he studies for 1 hour, 20% he studies 2hours, 24% he studies 3 hours, 36% he studies 4 hours, and the remaining time he studies for 5 hours.a. Fill out the Probability Distribution TablexP(x)b. What is P(5)?c. What is the probability that Daniel studies at least 3 hours?d. What is the probability Daniel studies at most 3 hours?e. What is the expected number of hours Daniel studies on a weekend? (Expected Value)

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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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Q1. James and Jamie are two salespersons in the same team. Every month, the amount ofsales that James secures is uniformly distributed between $9,500 and $10,500; and everymonth, the amount of sales that Jamie (independently) secures is uniformly distributedbetween $9,000 and $11,000. What is the probability that in the next month, James willsecure more sales than Jamie? Explain your answer carefully Q2. The lifetimes of a specific brand of alkaline batteries (measured in hours) isexponentially distributed with mean lifetime of 20 hours. Alex just buys two batteriesof this brand and labels them Battery A and Battery B. Then, Alex uses them to powerhis computer mouse, which requires two batteries to operate. The mouse is extremelysensitive to its power supply, in the sense that if any of the two batteries run out, it canno longer operate. What is the probability that the operating time of Alex’s computermouse with Batteries A and B is less than 20 hours?
A baker is deciding how many batches of muffins to make to sell in his bakery. He wants to make enough to sell every one and no fewer. Through observation, the baker has established a probability distribution. P(x) 1 0.15 2 0.35 3 0.40 4 0.10 Table 4.2 Define the random variable X.
Assume that 12 jurors are randomly selected from a population in which 76% of the people are Mexican- Americans. Refer to the probability distribution table below and find the indicated probabilities. P(a) 0+ 1 0+ 0+ 0.0003 4. 0.0018 0.0092 6. 0.034 7 0.0924 8 0.1828 9. 0.2573 10 0.2444 11 0.1407 12 0.0371 Find the probability of exactly 5 Mexican-Americans among 12 jurors. P(x = 5) = 0.0092 Find the probability of 5 or fewer Mexican-Americans among 12 jurors. P(x < 5) = 3205 Does 5 Mexican-Americans among 12 jurors suggest that the selection process discriminates against Mexican-Americans? yes O no Question Help: O Message instructor Submit Question 12 MAR tv 19 MacBook Air 11 F4 F5 F7
can you find two tailed test p value for given data sample size 14 test statistics -2.23
A gambler uses theory to calculate the probability of winning a card game and gets P(winning) = 0.10. Which option best describes the meaning of this probability? A. He will win 10 times B. In the long run he will win approximately 10% of the time C. He will win on every 10th play D. He is guaranteed to win exactly 10% of the time
A farmer knows that 15% of the apples in his orchard have worms. He randomly selects 5 apples from the orchard. What is the probability exactly 2 of the selected apples have worms? Round to one decimal place. 0.2% 2.4% 13.8% 39.2%
H3. Show proper step by step calculation
Just complete sub parts d,e, and f
Rodney is going to shoot a total of 9 free-throws to prove he is a better shooter than Chris. During warm-ups Rodney can make 57% of practice shots. The challenge results are as follows… • 9 hits Rodney wins $100 • 6-8 hits Rodney wins $25 • 4-5 No one wins • 0-3 hits Chris wins $15 What is the probability that Rodney makes 7 shot?

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