Vegetarianism is the practice of abstaining from the consumption of red meat, poultry, seafood,insects, and the flesh of any animal. According to the United Nations Food and AgriculturalOrganization, India has the lowest rate of meat consumption in the world. It is estimated that35% of Indians are vegetarians. Suppose that in a study, 20 Indians were surveyed.--> vvtldt 15 CLem die vegetarians.tham are vegetarians?Select--> What is the expected number of vegetarians v [Select ]3.512.756.7

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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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University of Nizwa graduate school is creating a graduate student recruiting brochure and wants to include an 1 estimate of the average monthly housing cost for a graduate student at UoN. From a list of the 150 current graduate students, a SRS of 10 students is selected and their monthly housing costs are recorded ?What is the target population.1 All UoN graduate studentsO The 10 UON graduate studentsO The monthly housing costsO Cannot be determine from the information givenO PWhat is the sampling frame.2 List of all 150 graduate studentsO List of all 10 graduate studentsO List of the graduate students housing costO Cannot be determine from the information givenO PWhat is the type of Sampling method used 3 Probability Sampling Non-probability Sampling Quota Sampling O Cannot be dete the information given
a) What proportion of 20% of defective items should a supervisor in the quality system of a plastic products company accept when they ask him to evaluate a routine inspection procedure for orders of 100 identical articles, knowing that the procedure consists of taking a sample of 10 items and the one to accept the order if no more than 2 defective items are found? b) How many defective items are expected to appear in the sample?
Let the sample mean of a set of 20 data points be 30. If it is discovered that a data point having value 25 was incorrectly entered as 15, what should be the revised value of the sample mean?
1O to Colnect a lepres 5. Make an inference about your population. You must write one or more sentences, even if you have a biased sample make the inference as if your sample is representative.
4) Students in two fifth grades were given the same English test. One class of 27 students had a mean of 69 and the second class of 23 students had a mean of 74. What is the mean for the total number of students in both classes to the nearest 0.1?oielusiso pnidgst bomro
5) A sample of professors is selected and it is found that 25% own a vehicle. Which is true about the above statement? a) It is a statistic because the value is a numerical measurement describing a characteristic of the population. b) It is a parameter because the value is a numerical measurement describing a characteristic of a sample. c) It is a parameter because the value is a numerical measurement describing a characteristic of a population d) It is a statistic because the value is a numerical measurement describing a characteristic of a sample.
1. Explain the difference between z-tests (which use categorical data), and t-tests (which use numerical data). 2. Conduct a t-test, both when given statistics, and when given data. 3. Conduct a t-test, 2-sample t-test, and paired t-test. 4. Differentiate between the five types of tests we have learned so far.
25.) 90% of all dogs have city licenses. If 7020 licenses have been issued, how many dogs are there in the city? 25.)
10)
As part of a statistics project, a teacher brings a bag of marbles containing 800 white marbles and 200 red marbles. She asks her students to determine how many red marbles are in the bag without counting them.A student randomly draws 150 marbles from the bag. Of the 150 marbles, 35 are red. A)The target population consists of The 1000 marbles in the bag The 150 marbles drawn by the student The 200 red marbles in the bag The 35 red marbles drawn by the student None of the above B)The sample consists of None of the above The 150 marbles drawn by the student The 200 red marbles in the bag The 1000 marbles in the bag The 35 red marbles drawn by the student c)Based on the sample, the student would estimate that _______marbles in the bag were red
Regarding the context regarding the coronavirus pandemic, see the table below, which refers to 5 groups of people infected with the coronavirus and the number of deaths in each group. a) You, student, by observing the data tabulated in the table above, come to what conclusion about the absolute frequency of the second grade? b) João, a person observing the table, calculates and states that the relative frequency of the fourth class is 48.46% and informs that 48.46% of the number of deaths occurred in the group with the number greater than or equal to 70 and less than or equal to 80 infected. Do you agree with João's calculation and interpretation? If you agree or disagree, provide the calculation and interpretation that justifies your choice. c) Going deeper, Maria, another person who looks at the table, interprets that 16 deaths occurred in the group with a number greater than or equal to 40 and less than 70 infected people. When you see this interpretation that Maria made, do you…
6) The boxplot summarizes information about the number of hours worked in December for 220 seniors at Tomah High School. a. What is the range? b. What is the interquartile range? c. What percent of the students worked 68 or more hours? d. What is the median? (Section 5-3) * 80 10 31 68 O a) 80 b) 58 c) 75% d) 68 O a) 58 b) 80 c) 25% d) 31 O a) 80 b) 58 c) 25% d) 31 O a) 58 b) 80 c) 75% d) 68

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