3. Let X denote the number of bars of service on your cell phone whenever you are at anintersection with the following probabilities:a.b.P(X=x)What is the expected value of X?C.d.2.5 bars1 barX0.53 bars0.0.5 barsC.00.1a. A Poisson distributionb. A binomial distributionAn exponential distributiond. A geometric distribution1230.15 0.25 0.254. On average, the number of pumpkin spiced lattes ordered at a local coffee shop during the monthof October is 17.2 per hour. Consider the random variable X that represents the number ofpumpkin spiced lattes ordered per day in the month of October. The random variable X haswhich of the following probability distributions?450.15 0.1

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Answered: 3. Let X denote the number of bars of…

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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Find the following probabilities, where z∼n(0,1) a.p (−1.67≤ z ≤1.44) b.p (z>1.98)
A B C D E F G H 7 3 Create a discrete probability table with all possiblex values and all possible probabilities. For the x values, list 0 to 100. 8 4 From the table, create a Column Chart that visualizes all possiblex values and all possible probabilities. 9 10 11 12 13 | 1 2 From past data we know that the mean number of arrivals to buy tickets at the Family Fun Center in Tukwila on Saturday afternoon is 20 per 1/2 hour. Assume: The probability of a person arriving is the same for all equal-size intervals 3 4 Assume: The number of people arriving in any interval is independent of the number of people arriving in any other interval 1 Calculate the probability that 25 people will arrive in 1/2 hour 5 6 2 Calculate the probability that between 25 and 30 people (inclusive) will arrive in 1/2 hour J Note: put all formula inputs in cells, label them, and refer to them in formulas with cell references. K M
Suppose a life insurance company sells a $260,000 1-year term life insurance policy to a 20-year-old female for $280. According to the National Vital Statistics Report, 58(21), the probability that the female survives the year is 0.999544. Compute and interpret the expected value of this policy to the insurance company. The expected value is $ (Round to the nearest cent as needed.) Which of the following interpretations of the expected value is correct? Select the correct choice below and fill in the answer box to complete your choice. (Round to the nearest cent as needed.) A. The insurance company expects to make a maximum profit of $ B. The insurance company expects to make a profit of $ on every profit of $ C. The insurance company expects to make a minimum O D. The insurance company expects to make a profit of $ on every 20-year-old female it insures for 1 month. on every 20-year-old female it insures for 1 year. 20-year-old female it insures for 1 year. on every 20-year-old female…
Determine the following probabilities. a. For n=5 and π=0.12, what is P(X=0)? b. For n=9 and π=0.40, what is P(X=8)? c. For n=9 and π=0.60, what is P(X=7)?
Suppose that 20,000 married adults in a country were randomly surveyed as to the number of children they have. The results are compiled and are used as theoretical probabilities. Let X = the number of children married people have. x P(x) xP(x) 0 0.10 1 0.20 2 0.35 3 4 0.10 5 0.05 6 (or more) 0.05 (c) Find the expected value. (Enter your answer to two decimal place.) children(d) Is it more likely that a married adult will have two to three children or four to six children? How do you know? a. it is more likely to have two to three children, with p = 0.5 b. it is more likely to have four to six children, with p = 0.1 c. it is more likely to have two to three children, with p = 0.35 d. it is more likely to have four to six children, with p = 0.8 e. it is more likely to have four to six children, with p = 0.2
Determine the following probabilities. a. For n=5 and x=0.14, what is P(X=0)? b. For n = 11 and =0.50, what is P(X= 10)? c. For n = 11 and x = 0.60, what is P(X= 9)? d. For n=4 and x=0.83, what is P(X= 3)? a. When n = 5 and x = 0.14, P(X=0)= (Round to four decimal places as needed.) www.
Below is a probability distribution for the number of failures in an elementary statistics course. Determine the following probabilities: a. P(X= 2) = b. P(X 2) = e. P(X = 1 or X = 4) = f. P(1 ≤X ≤ 4) = X 0 1 2 3 4 P(X=x) 0.41 0.18? 0.05 0.15 ab ab 12
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Determine the following probabilities. a. For n=6 and π=0.19, what is P(X=0)? b. For n=11 and π=0.50, what is P(X=10)? c. For n=11 and π=0.60, what is P(X=9)? d. For n=4 and π=0.87, what is P(X=3)? pie=(p) probability
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Suppose a life insurance company sells a $160,000 1-year term life insurance policy to a 20-year-old female for $330. According to the National Vital Statistics Report, 58(21), the probability that th female survives the year is 0.999544. Compute and interpret the expected value of this policy to the insurance company. The expected value is $. (Round to the nearest cent as needed.). Which of the following interpretations of the expected value is correct? Select the correct choice below and fill in the answer box to complete your choice. (Round to the nearest cent as needed.) OA. The insurance company expects to make a profit of $ OB. The insurance company expects to make a maximum profit of $ OC. The insurance company expects to make a minimum profit of $ OD. The insurance company expects to make a profit of $ ! 1 Q @ 2 W 3 E $ 4 R on every 20-year-old female it insures for 1 year. on every 20-year-old female it insures for 1 year. on every 20-year-old female it insures for 1 month. on…

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3. Let X denote the number of bars of service on your cell phone whenever you are at an intersection with the following probabilities: a. b. P(X= x) What is the expected value of X? C. d. X 2.5 bars 1 bar 0.53 bars 0.0.5 bars 0 0.1 1 0.15 2 0.25 3 0.25 4 5 0.15 0.1