A researcher is conducting a study with a population of 7,346 people. She wants a sample size of 80. Using simple random sampling identify “k.” Considering the researcher chooses to start at the person labeled 34, what would the next three participant numbers be?
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A researcher is conducting a study with a population of 7,346 people. She wants a
Considering the researcher chooses to start at the person labeled 34, what would the next three participant numbers be?
34, _____, ______, ____
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- Simple Random Samples Instructions: Use the random number table and the situation given to select a sample. 46795 05947 01934 89640 39437 90044 There are 88 students at the dance studio and 10 of them will be selected at random for cleaning duty every week. Each dance student receives a number from 01 to 88. The studio uses the above random digit table to pick the 10 students. We will have randomly pulled the numbers so we will start with the first number in the list for our first entry. From this random number table we arrive at the following students who will be used for our random sample. 46,About 7% of the population has a particular genetic mutation. 100 people are randomly selected. Find the mean for the number of people with the genetic mutation in such groups of 100. (Round to 2 decimal places if possible.)Several members of a running club would like to survey the rest of the members to determine which 5K races the club should enter. They decide to use a random number table to sample 10 of the 78 members. The members are assigned the numbers 01-78. Refer to the given line from a random number table. Which numbers represent the first 5 members selected? 24000 75983 62200 91518 11198 88936 O 24,07, 59, 62, 20 O 24, 00, 07, 59, 83 O 24, 75, 36, 22, 51 O 24, 75, 98, 36, 22
- The numbers 1, 2, 3 and 4 are written separately on four slips of pane- The slips are put in a box and mixed thoroughly. A person draws two slips from the box, one after the other, without replacement. Describe the sample space for the experimentA population consists of the numbers 2,3,4,5, and 6. Let us list all possible sample size of 3 from this population and compute the mean of each sample.Using the formula Ncn wher N is the population size and n is the sample size.Race organizers want to survey the participating runners on the quality of the running course. Which of the following uses systematic random sampling? Select the first 15 finishers and the last 15 finishers to take the survey. Randomly select 15% of the male participants and 15% of the female participants. Select the 5th finisher (with the number 5 being randomly chosen) to survey, then survey every 15th finisher after that. Sort all of the runners' names alphabetically, then randomly choose 2 letters and survey all participants whose last name begins with one of those letters.
- A coach is interested in how many slam dunks the average college freshman at his university can do. Ten volunteers from the senior class step forward. After observing their performance, the coach concluded that college seniors can do an average of 10 slam dunks in a row without missing. what is the sample? what is the population?A small shop owner wants to see how much people are spending at her store, so she numbers all the receipts from the past week and uses a computer program to generate a list of 20 random numbers. She samples the receipts that correspond to those numbers. What type of sample was taken? convenience sample simple random sample systematic sample cluster sample quota sample voluntary response sample= 12,000 and p = 0.71. A random sample of 902 elements selected from this population gave p 0.61. Find For a population, N the sampling error. Enter the exact answer. sampling error =
- Superpowers A total of 415 children from the United Kingdom and the United States who completed a survey in a recent year were randomly selected. Each student's country of origin was recorded along with which superpower they would most like to have: the ability to fly, ability to freeze time, invisibility, superstrength, or telepathy (ability to read minds). The data are summarized in the following table. Country U.K. U.S. Fly 54 45 Freeze time 52 44 Invisibility 30 37 Superpower 20 23 Superstrength Telepathy 44 66 a. What proportion of students in the sample are from the United States? b. Find the distribution of superpower preference for the students in the sample using relative frequencies. c. What percent of students in the sample are from the United Kingdom and prefer telepathy as their superpower preference?. In an organization consisting of 5 women and 10 men, a committee of four individuals is to be selected at random from the 15 people. Find the distribution of the random variable, X = Number of women on the committee.An experiment consists of drawing two numbers out of a hat one after the other containing the numbers 1, 3, 5, 6. The two numbers are then recorded as a 2-digit number. The number drawn is NOT put back in the hat before drawing the second. Do the following: List the sample space.________________________________ Let F = the event of getting a number whose first digit is odd Let S = the event of getting a multiple of 6 Find P( F and S) =____________________________________ Find P(F) =______________________________ Find P(F|S) =_______________________________________ Are F and S independent events? ___________Justify_____________ VIII (15) Let E be the event that at least two people out of 4 have the same birth month (not day). How many outcomes in the Sample space. In other words, compute n(S).________ State in words the complement of E. _____________________________ How many outcomes in the event not E. In other words, compute n(not E). ________…
