Remaining Time:Question Completion Status:3\P(x)03missing0.3The table above represents a discrete probability distribution. One of the probabilities is not given. Find the missing probability and using the complete table, calculate thvariance.7.1282.66984.80.054QUESTION 6A student takes a multiple choice test that has 7 questions. Each question has five choices. The student guesses randomly at each answer. Find:P (guessing more than 2 correctly)O 0.1480O 0.8520.03330.9667Save and Submit to save and submit. Click Save All Answers to save all answers.

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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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Assume the geometric distribution applies. Use the given probability of success p to find the indicated probability. Find P(5) when p= 0.90
Decide whether you can use the normal distribution to approximate the binomial distribution. If you can, use the normal distribution to approximate the indicated probabilities and sketch their graphs. If you cannot, explain why and use the binomial distribution to find the indicated probabilities. A survey of adults found that 8% say their favorite sport is auto racing. You randomly select 600 adults and ask them to name their favorite sport. Complete parts (a) through (d). Determine whether a normal distribution can be used to approximate the binomial distribution. Choose the correct answer below. O A. No, because ng < 5. O B. Yes, because both np25 and ng 25. O C. No, because np <5. (a) Find the probability that the number of people who say auto racing is their favorite sport is at most 56. |(Round to four decimal places as needed.)
Decide whether you can use the normal distribution to approximate the binomial distribution. If you can, use the normal distribution to approximate the indicated probabilities and sketch their graphs. If you cannot, explain why and use the binomial distribution to find the indicated probabilities. A survey of adults found that 7% say their favorite sport is auto racing. You randomly select 400 adults and ask them to name their favorite sport. Complete parts(a) through (d).
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Decide whether you can use the normal distribution to approximate the binomial distribution. If you can, use the normal distribution to approximate the indicated probabilities and sketch their graphs. If you cannot, explain why and use the binomial distribution to find the indicated probabilities. A survey of adults found that 8% say their favorite sport is auto racing. You randomly select 400 adults and ask them to name their favorite sport. Complete parts (a) through (d). .... . Determine whether a normal distribution can be used to approximate the binomial distribution. Choose the correct answer below. A. No, because np < 5. B. No, because nq < 5. C. Yes, because both np 25 and nq 2 5. (a) Find the probability that the number of people who say auto racing is their favorite sport is at most 39. (Round to four decimal places as needed.)
Write the binomial probability and the normal probability for the shaded region of the graph. Find the value of each probability and compare the results. AP(x) 0.24- n = 16 p= 0.5 0.2- 0.16- 0.12- 0.08- 0.04- 0- 2 4 6 8 10 12 14 16 Write the binomial probability for the shaded region of the graph and find its value. Select the correct choice below and fill in the answer box within your choice. (Round to four decimal places as needed.) O A. P(4
Determine whether the distribution represents a probability distribution. X 5 6 7 8 PX 0.4 0.9 0.7 0.4 The distribution ▼(Choose one) a probability distribution. The sum of the probabilities of the events ▼(Choose one) one.
show complete solution, thank you.
Decide whether you can use the normal distribution to approximate the binomial distribution. If you can, use the normal distribution to approximate the indicated probabilities and sketch their graphs. If you cannot, explain why and use the binomial distribution to find the indicated probabilities. A survey of adults found that 8% say their favorite sport is auto racing. You randomly select 400adults and ask them to name their favorite sport. Complete parts (a) through (d). (a) Find the probability that the number of people who say auto racing is their favorite sport is at most 38.
Fill in the blanks: The random variable Y has the probability distribution given the following table. у: 2 3 4 5 6 7 P (Y = y): 0.15 0.1 a 0.25 0.11 0.2 Determine the standard deviation of Y.

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