According to the 2019 census, approximately 20.81% of the Canadian population are immigrants. You survey 26 individuals living in Canada and ask each person if they are animmigrant or not. Please use this information to answer the following questions.a. How many of the people surveyed can we expect to be immigrants?Answer:people. Round to at least FOUR digits after the decimal if necessary.b. What is the standard deviation of the number of people surveyed who are immigrants?Answer:people. Round to at least FOUR digits after the decimal if necessary.c. Suppose you know that more than 3 of the people surveyed are immigrants. What is the probability that exactly 9 of the people surveyed are immigrants?Answer: Round to at least FOUR digits after the decimal if necessary.d. What is the probability that the 14th person surveyed is the third person to indicate that they are an immigrant?Answer:Do NOT round your answer; give all the decimals that R prints.

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Answered: According to the 2019 census,…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The governor of a state wanted to assess the public education system of the state. She instructed a group of researchers to create a test to assess the knowledge of every high school senior in the state. The researchers administered the tests and found that the average score was 74 points out of 100, with a standard deviation of 20 points. Complete parts (a) through (c) below. a. Identify the population and variable. Choose the correct population below. A. The population is the group of all high school seniors in the state. O B. The population is the group of every state's governor. O C. The population is the group of all high school teachers in the state. O D. The population is the group of all high school students in the state. Choose the correct variable below. O A. The variable is the number of high school seniors. O B. The variable is the test length. YC. The variable is the test score. O D. The variable is the number of high school students. b. For samples of size 225, find the…
Find the mean for the given sample data. Six college buddies bought each other Christmas gifts. They spent: $256.51 $264.95 $239.33 $277.03 $129.57 $236.91 What was the mean amount spent? Round your answer to the nearest cent
The ages of the members of a legislature from a particular state are listed below. Find the mean, median, and mode of the data set, if possible. If any measure cannot be found or does not represent the center of the data, explain why. 65 44 37 46 52 46 34 55 49 O Find the median age. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The median age is (Round to one decimal place as needed.) O B. There is no median age. Does the median represent the center of the data? O A. The median represents the center. O B. The median does not represent the center because it is the largest data value. O C. The median does not represent the center because it is not a data value. O D. The median does not represent the center because it is the smallest data value. O E. There is no median age. Find the mode of the ages. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
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You volunteered to be part of the medical mission in your barangay and were in charge to get the weights of the children. The weights of 1000 children have an average of 45 kilograms and a standard deviation of 5 kilograms. a. How many children weigh 35 kg to 55 kg? b. How many are in the upper 10% of the population?
In Exercises, we have provided simple data sets for you to practice the basics of finding a a.population mean.b.population standard deviation.1, 9, 8, 4, 3
Homework Q2: Calculate the standard deviation for the following dataset Cars Horsepower Datasheet 76 74 72 70 68 66 64 62 60 Ford fiesta Plymouth horizon tc3 Volkswagen rabbit 1 24 Dodge omni Mercury monarch
Answer all questions: 1. What is the range and standard deviation for the following population of scores? Scores: 5,2,5,4
In the 1992 presidential election, Alaska's 40 election districts averaged 2038 votes per district for President Clinton. The standard deviation was 576. (There are only 40 election districts in Alaska.) The distribution of the votes per district for President Clinton was bell-shaped. Let X = number of votes for President Clinton for an election district. (Source: The World Almanac and Book of Facts) Round all answers except part e. to 4 decimal places.a. What is the distribution of X? X ~ N(,)b. Is 2038 a population mean or a sample mean? Select an answer Population Mean Sample Mean c. Find the probability that a randomly selected district had fewer than 1842 votes for President Clinton. d. Find the probability that a randomly selected district had between 1997 and 2099 votes for President Clinton. e. Find the first quartile for votes for President Clinton. Round your answer to the nearest whole number.
A labor rights group wants to determine the mean salary of app-based drivers. If she knows that the standard deviation is $3.8, how many drivers should she consider surveying to be 95% sure of knowing the mean will be within +$0.77? O 10 1351 38 O 94 66
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Determine whether the statement is true or false. If it is false, rewrite it as a true statement. A statistic is a measure that describes a population characteristic. Choose the correct answer below. OA. True. B. False. A statistic is a measure that describes a sample characteristic. OC. False. A statistic is the science of collecting, organizing, analyzing, and interpreting data in order to make decisions.

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