Determine which type of sampling technique is used. Determine if the sample is biased or unbiased. A local police department sets up a roadblock to determine if drivers have a valid license and insurance in their community. They stop every third car at the road block to check. 41. Identify the sampling technique used. 42. Is the sample biased or unbiased? A coach at a high school wants to know how much time per week students at the school spend exercising. He divides the student population by gender and randomly selects 50 girls and 50 boys to survey. 43. Identify the sampling technique used. 44. Is the sample biased or unbiased? Choices for 41-44: A) Biased E) Unbiased B) Systematic sample AB) Convenience sample C) Simple random sample AC) Voluntary response sample D) Stratified sample

Q: An oil company is going to issue new ID codes to its employees. Each code will have one letter,…

A: We have given that We have 22 letters (expect W,X,Y,Z) And 10 digits

Q: What is Box and Whiskers

A: Box and whisker plot: The box and whisker plot is defined as a graphical representation of…

Q: A box contains 9 red, 8 blue, and 13 green balls of the same size. How many balls, do we need to…

A:

Q: In 45

A: Given : ln 45

Q: How many different 4-letter radio-station call letters can be made   if the first letter cannot be…

A: Given: 4- letter radio-station call letter has to be made with first letter should not be A, B or C…

Q: how many ways can five persons line up to get on a bus?

A: The number of persons is 5.

Q: How many 4-digit combinations can be made from the digits 0-9?

A:

Q: How many different photographs are possible if four children sit in the front row and five adults…

A: The objective of this question is to find out the total number of different photographs possible…

Q: how many ways can a coach choose four players from eight bench players to replace four of the five…

A: The number of ways in which r different items can be chosen from n different items is given as Crn…

Q: A license plate consists of 2 letters followed by 4 numbers, and to avoid confusion, the numbers 1…

A: GivenNo.of letters from A-Z =26No.of numbers from 1-0 excluding 1 and 0 = 8

Q: The cholesterol content of large chicken eggs is normally distributed with a mean of 170 milligrams…

A:

Q: A particular brand of shirt comes in 8 colors, has a version with a pocket and one without, and…

A: The shirts can be any of the 8 colors.

Q: 3. 3×4=5 9×1=2 6×4=2 9×3=0 Then 5×8=   4. 1,1=21 2,2=44 3,3=69 4,4=816 Then,5,5=

A: (3) Given that, 3×4=5,9×1=2,6×4=2,9×3=0 Consider the first one 3×4=5, 3 will not be divisible by 4,…

Q: Assuming that no one can hold more than one office, how many selections are possible?

A: select a president, vice-president, secretary, and treasurer out of a club with 15 members.  Here…

Q: How many 4-digit numbers are there?   And if repetition of digits is not allowed?

A: Given that n= number from 1 to 9 = 9 r = 4 ( since we have to take 4 digit number)

Q: Determine 0!, 1!, 3!, and 4!.

A: Here, the values of 0!, 1!, 3! and 4! are required to be computed.

Q: how many subsets does {8,9,10,11,12,14,15,16} have?

A: Using

Q: How many ways can these numbers be arranged? How many numbers greater than 4,000,000 can be formed…

A: Here use combination

Q: An urn contains 6 green balls and 7 red balls. A man selects balls at random without looking at…

A:

Q: How many different numbers of five digits can be made using the digits 2,2,3,3,3?

A: The objective is to find how many different numbers of five digits can be made using the digits…

Q: Radio stations that are on the eastside of a nation have call letters consisting of a W followed by…

A: Here we have to number of five letter call letters starting from W

Q: 17

A:

Q: Excluding the letters I, O, Q and Z, how many plates registration number can we make if we use…

A: The number of letters in English alphabet = 26Excluding the letters I, O, Q and Z  the number of…

Q: What is the five-number summary for this data set? 4, 6, 10, 13, 18, 28, 34, 46, 50, 58 Assume the…

A: Given that: Data set  4,6,10 13,18,28,34,46,50,58. Five number summary is

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A:

Q: How many license plates can be made using either two or three letters followed by either two or…

A:

Q: 20 100 %3D 3页

A: 320=m100 Set the cross multiply. 20m=3·10020m=300