39. Let's eat: A fast-food restaurant chain has 600 outlets in the United States. The followingtable categorizes them by city population size and location and presents the number ofrestaurants in each category. A restaurant is to be chosen at random from the 600 to testmarket a new menu.AnswerPopulationof cityUnder 50,00050,000-500,000Over 500,000a. Given that the restaurant is located in a city with a population over 500,000, what is theprobability that it is in the Northeast?AnswerRegionNESE SW NW30 3551560 90 70 30150 25 30 60b. Given that the restaurant is located in the Southeast, what is the probability that it is ina city with a population under 50,000?

Here the given table is Using formula, Conditional probability,

Answered: 39. Let's eat: A fast-food restaurant…

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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2. The Department of Fish and Wildlife looked at the ages of individuals between 65 and 81 that frequented the Bolsa Chica Reserve during the week of June 13th, 2021, to help determine if more facilities and resources are necessary to support the needs of that age group. They determined there were 40 individual visitors that fit those criteria, with the following ages: 65, 66, 66, 67, 67, 67, 68, 68, 68, 68, 69, 69, 69, 69, 69, 69, 70, 70, 70, 70, 70, 71, 71, 71, 71, 72, 72, 72, 73, 73, 73, 74, 74, 75, 75, 76, 77, 78, 79, and 80. Age (years) Number of Visitors 65 1 66 2 67 3 68 4 69 6 70 5 71 4 72 3 73 3 74 2 75 2 76 1 77 1 78 1 79 1 80 1 81+ 0 What would you say is the best measure of central tendency for the weekly visitor distribution? How should the Department of Fish and Wildlife report it? Justify your response.
5. Solve the following problem using a Venn diagram: Consider the following data among 110 students in the college dormitory: 30 students are on a list A (taking Accounting); 35 students are on a list B (taking Biology); and 20 students are on both lists. Find the number of students on list A or B*
A market research firm is investigating the appeal of three package designs. The table below gives information obtained through a sample of 200 consumers. The three package designs are labeled A, B, and C. The consumers are classified according to age and package design preference. Under 25 years 25 or older Total A 0.76 B 0.38 0.33 D 0.22 E 0.39 A Last saved 2:13:37 PM 22 54 76 B 34 28 If one of these consumers is randomly selected, what is the probability that the person prefers design A? 62 C 40 22 62 Total 96 104 200
1. Suppose we want to sample a neighborhood for a community needs assessment. The neighborhood has 7 subdivisions and 3 of the 7 are to be collected for household sampling. How many different ways can we select these households? ·
23. The Ice Chalet offers dozens of different beginning ice-skating classes. All of the class names are put into a bucket. The 5 P.M., Monday night, ages 8 to 12, beginning ice-skating class was picked. In that class were 64 girls and 16 boys. Suppose that we are interested in the true proportion of girls, ages 8 to 12, in all beginning ice-skating classes at the Ice Chalet. Assume that the children in the selected class are a random sample of the population.Construct a 92% Confidence Interval for the true proportion of girls in the ages 8 to 12 beginning ice-skating classes at the Ice Chalet.Calculate the following. (Round your answers to two decimal places.) (a) lower limit________________(b) upper limit_______________(c) error bound _______________
4. A school has 600 pupils. The number in each year group is shown below: 7 Year 8 9 10 11 Number of pupils 114 132 120 126 108 Stratified sample A stratified sample of 100 pupils is to be taken, related to how they travel to school. How many pupils from each year group should be tested?
Darius surveyed 16 students and recorded the following data: 25 46 61 52 30 47 32 28 50 52 23 37 40 45 39 29 Construct stem-and-lead diagram: 21 31 41 51 61 ہے

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