We are interested in the probabilities of finding r illiterate people, when r = 0, 1, 2, 3, 4, 5 and 6. Use thistable to create a table of r values and the corresponding P(r) values when n = 6 and p = 0.2. (Round youranswers to three decimal places.)P(r)0.2620.246340.0150.000

Solution: Let R be the number of illiterate people. From the given information, n=6 and p=0.2. Here,…

Answered: We are interested in the probabilities…

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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3:29 mylab.pearson.com/S Determine the original set of data. 1012 2 1 447 8 3 3 5 5 5 7 8 4 01 Legend: 110 represents 10 The original set of data is (Use a comma to ||| = VO) 1 22 ... 46 ... - 13% separate answers as needed. Use ascending order.) O + 3 :
a.0,1 b.0,3 c.0,4 d.0,2 e.0,5
(c-1) Comparison of credits at time of graduation for randomly chosen accounting and economics students: x⎯⎯1x¯1 = 149, s1 = 2.8, n1 = 12, x⎯⎯2x¯2 = 146, s2 = 2.7, n2 = 17, α = .05, right-tailed test.(Negative values should be indicated by a minus sign. Round down your d.f. answer to the nearest whole number and other answers to 4 decimal places. Do not use "quick" rules for degrees of freedom.) d.f. t-calculated p-value t-critical
In baseball there are many ways to estimate what a team's winning percentage (w) should be against its opponents, given the total runs it has scored and the total runs it has allowed in a certain number of games. Bill James's Pythagorean Formula for the winning percentage estimator is given below. wpe = w = [(# runs scored)2]/[(# runs scored)2 + (# runs allowed)2] A team has currently scored 369 runs and allowed 329 runs. If the team does not allow any more runs for the rest of the season, how many additional runs must they score in order to have a wpe of 80%? (Hint: Let x = the number of runs additional scored.)
1.3 In a recent survey, 10,000 households were randomly selected. One of the questions on the survey asked how many TVs they had. The results are given in the table below. Number of TVs to number of households # of TVs # of Households P(X=x) 0 160 1 3140 2 3790 3 1920 4 780 5 210 Total 10,000 e) What is the average number of TVs in a household?
Sean thinks that he has a special relationship with the number 6. In particular, Sean thinks that he would roll a 6 with a fair 6-sided die more often than you'd expect by chance alone. Suppose pis the true proportion of the time Sean will roll a 6. (a) State the null and alternative hypotheses for testing Sean's claim. (Type the symbol "p" for the population proportion, whichever symbols you need of "", "-", "not =" and express any values as a fraction e.g. p = 1/3) Ho= Ha (b) Now suppose Sean makes n = 30 rolls, and a 6 comes up 6 times out of the 30 rolls. Determine the P-value of the test, giving your answer to 4 decimal places. Please use 3 decimal places in your test statistic when finding the P-value. P-value = ⠀⠀ (c) Answer the question: Does this sample provide evidence at the 5 percent level that Sean rolls a 6 more often than you'd expect? (Type: Yes or No) 4
Matt thinks that he has a special relationship with the number 2. In particular, Matt thinks that he would roll a 2 with a fair 6-sided die more often than you'd expect by chance alone. Suppose p is the true proportion of the time Matt will roll a 2. (a) State the null and alternative hypotheses for testing Matt's claim. (Type the symbol "p" for the population proportion, whichever symbols you need of "", "=", "not =" and express any values as a fraction e.g. p = 1/3) Ho p= 1/6 = Ha= p > 1/6 (b) Now suppose Matt makes n = 34 rolls, and a 2 comes up 7 times out of the 34 rolls. Determine the P-value of the test: P-value = | (c) Answer the question: Does this sample provide evidence at the 5 percent level that Matt rolls a 2 more often than you'd expect? (Type: Yes or No) no
Suppose P(A) = 0.59, P(B) = 0.28, and P(An B)= 0.01. What is P(Aª|B)? [Give your numeric response to at least 3 decimal places. Give only the number, and no extra characters or symbols.]
D Question 4 For a 100-point exam, a score of X = 65 is definitely above the median. 4 O True False
Back: It has been estimated that only about 30% of California residents have adequate earthquake supplies. Suppose you randomly survey 12 California residence. We are interested in the number who have adequate earthquake supplies.
Which combination would lead you to Reject H₂? a = .05 p-value = .045 a = .01 p-value = .059 O a = .05 p-value = .059 O a = .01 p-value = .045
4

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We are interested in the probabilities of finding r illiterate people, when r = 0, 1, 2, 3, 4, 5 and 6. Use this table to create a table of r values and the corresponding P(r) values when n = 6 and p = 0.2. (Round your answers to three decimal places.) P(r) 0.262 0.246 3 4 0.015 0.000