A traditional die is a cube with each of its six sides representing the numbers from 1 to 6. Mr. Dicey customized a die by replacing each number with itsreciprocal (reciprocal of x is 1/x).i. What is the expected value if you roll the customized die made by Mr. Dicey? [Give your answer upto 4 decimal places]ii. What is the expected value if you roll the customized die for 6 times? [Give your answer upto 2 decimal places]iii. What is the variance of value that you get from rolling the customized die? [Give your answer upto 4 decimal places]

A dice with 6 sides( 1 to 6) Not it is converted in reciprocal digits( as for x= 1/x We have to give…

Answered: A traditional die is a cube with each…

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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D. 286/973; 0.294
For 50c, you can play a lottery where you pick a 3-digit number between 000 and 999. If you pick the winning number, you collect $275. What is the expected amount you will win or lose in this game?
A researcher wants to know whether children with ADHD tend to watch more TV than children who are not diagnosed with the disorder. To examine this, a researcher obtains a sample of n = 36 children (ages 8 to 12 years) who have been diagnosed with ADHD. Each child is asked to keep a journal recording how much time each day is spent watching TV. The average for the sample is M = 4.9 hours/day. Assume that the average TV-watching time for the general population of 8-to-12-year-old children is µ = 4.1 hours/day with σ = 1.8. Is ADHD in children associated with an increased amount of TV-watching?
Final answers should be either in lowest-term Fraction or up to 4 decimal places only. For even smaller numbers, round off to the nearest non-zero digit.
College students were given three choices of pizza toppings and asked to choose one favorite. Results are shown in the table. toppings freshman sophomore junior senior cheese 23 18 10 18 meat veggie 10 24 10 OA. 227 B. 408 O C. 677 OD. 421 10 18 10 10 24 Estimate the probability that a randomly selected student who is a junior or senior prefers veggie. Round the answer to the nearest thousandth. ***
In a waiting line situation, arrivals occur at a rate of 2 per minute, and the service times average 18 seconds. *Please show formulas in EXCEL format a. What is λ? 2 per min b. What is μ? 18 seconds c. Find probability of no units in the system. d. Find average number of units in the system. e. Find average time in the waiting line. f. Find average time in the system. g. Find probability that there is one person waiting. h. Find probability an arrival will have to wait.
The NIH is creating a test for the Zika virus. The incidence of a Zika is low, 11 percent in the general population. There is a trial version, but it sometimes misses the disease. The probability of a false negative is 0.03. Similarly, someone who does not have Zika, will sometimes get a positive reading. The probability of this is 0.1. Fill in the tree diagram and... Answer as a decimal to 4 decimal places. D = event that someone actually has Zika %3D positive = event that a test states that a person has Zika Conditional Marginal Probabilities Joint Probabilities Probabilities 0.9700 Enter an integer or decimal number [more..] P(D and positive) P(positive | D) False 0.1100 0.0300 negative P(D) P(negative | D) P(D and negative) 0.1000 False Positive 0.8900 P(no D) P(positive | no D) P(no D and positive) 0.9000 P(negative | no D) P(no D and negative)
Based on a poll, among adults who regret getting tattoos, 12% say that they were too young when they got their tattoos. Assume that nine adults who regret getting tattoos are randomly selected, and find the indicated probability. Complete parts (b) through (c) below. a. Find the probability that none of the selected adults say that they were too young to get tattoos. 0.3165 (Round to four decimal places as needed.) b. Find the probability that exactly one of the selected adults says that he or she was too young to get tattoos. (Round to four decimal places as needed.) c. Find the probability that the number of selected adults saying they were too young is 0 or 1. (Round to four decimal places as needed.)
600 baseball fans in Boston are asked whether they hate the Yankees. 564 of them answered "yes". The empirical probability that a randomly chosen fan will answer "yes" is The empirical probability that a randomly chosen fan will answer "no" is (Note: Enter each answer as a fraction or as a decimal rounded to the nearest hundredth.)
The probability that a person will pass a driving license test is 0.60. For each trial, he pays RO 10. In average, how much one must pay in order to pass that driving license test(assume independence of trials): Select one: O a. 1.5 b. 16.7 O c 0.60 O d. 0.67
Let's calculate the probability of finding someone special. Using a form of Fermi's Paradox (the difference between having limited or no choices to having high amount of choices). Let's calculate your probability using the following data. Multiply the number and all percentages together N (subscript p): Number of people = your target population (number of people in your state). Broward County, FL is 1,953, 251 million. Dade County, FL is 2,717,251 million. Palm Beach County, FL is 1, 497,251 million. Harris County, TX is 4,731,251 million. (example: 1,374,251 x .5 x .44 x .37 x .25 x.10 x.10 = 279 people are potential special people for you) times f (subscript g) = target gender (multiply as a decimal. Example: 0.5 for either sex or 1.0 for both sexes) times f (subscripts) = single people (multiply as a decimal) About 44% of people are single at any given time. f (subscript e) = the number of people you'll run into (multiply as a decimal). Your sample size will be small if you only…

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