An instructor gets 5 calls in 3 hours 1.How likely is that the teacher will get exactly 10 calls in 3 hours? 2. How likely is the student will receive 30 calls in 10 hours?

Q: License tag consists of 3 letters followed by 4 digits. How many tags are possible if no letters can…

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Q: How many ways can first and second place be awarded to 12 racers?

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Q: Suppose you had 4 red checker pieces and 5 black checker pieces. How many ways can you arrange these…

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Q: if im trying to determine the number of rams in a conservation​ area, a researcher catches and marks…

A: The objective of this question is to estimate the total population of rams in the conservation area…

Q: Tennis balls are randomly tossed into one of 5 trays. Determine the number of balls needed to ensure…

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Q: a family wants to adopt 2 cats and 3 dogs from a shelter that has 12 cats and 15 dogs. in how many…

A: The number of ways of selecting 2 cats from 12 cats is,

Q: Of 16 possible​ books, you plan to take 3 with you on vacation. How many different collections of 3…

A: See the handwritten solution

Q: In how many ways can a father distribute 7 gifts to his 3 children, if the oldest child receives 3…

A: It is given that one child receives 3 gifts and the other two children receives 2 gifts each.

Q: What are the number of yellow balls if all balls in the basket are blue

A: Given that all balls in the basket are blue. This means there are no yellow balls. So the number of…

Q: of the time he is at bat. Out of 80 times at bat, 10 A player on a school baseball team reaches…

A: A player on a school baseball team reaches first base 7/10 of the time he is at bat.

Q: You are a professor of journalism and have 14 students in your class. You tend to call on students…

A: It is given that, There are 14 students in your class. professors can choose 6 students during your…

Q: How many different routes can a saleswoman have if she must visit eight different companies in a…

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Q: The 5th term of an A.P. is 15 and the first term is 3. What is the sum of the first 10 terms?

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Q: We continue selecting every kth person to participate in the survey. ​ Therefore, the last person in…

A: Evaluating 10 + 85 ( 40 - 1):

Q: Of 13 possible​ books, you plan to take 4 with you on vacation. How many different collections of 4…

A: The objective of this question is to find out the number of different collections of 4 books that…

Q: Suppose there are 5 questions in an exam paper, find the number of ways in which a student can…

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Q: How many ways can 3 runners be selected for the Olympics from a field of 5 contestants?

A: Number of ways in which X runners can be selected for the Olympics from a field of N contestants is…

Q: A company hires 5 electricians to do a job in a period of 8 days. How many days would it have taken…

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Q: How many ways can 3 sopranos and 5 altos be selected from 7 sopranos and 9 altos?

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Q: Six men and eight women are to line up for a picture with the six men in the middle. How many ways…

A: Given that  Six men and eight women are to line up for a picture with the six men in the middle  How…

Q: On the first day of the Minnesota state fair 1 person enters through the gate in the first minute,2…

A: To find: The number of people enters through the gate in seventh minute. Given: The number of people…

Q: At a race track you have the opportunity to buy a ticket that requires you to pick the first and…

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Q: the track team has 20 members and will be sending 5 members to the next competition. how many 5…

A: Combinations: The number of combinations of r items selected from n items is, nr=n!n-r!r! The track…

Q: inches miles 1.25 ). x 8 X 8 10 the miles are 8 times as long, then we also need to multiply the…

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Q: A survey of 20 students selected at random in a school found that 8 students chose soccer as their…

A: According to the given information,Total number of outcomes, n = 20Number of favorable outcomes, x =…

Q: How many license plates can be made using two letters followed by four digits (0-9), allowing…

A: From this given information, license plates can be made using two letters followed by four digits…

Q: If there were only 9 Runners on the team last year how many females were there on the team this year

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Q: reen plates, 7 white plates ans 9 blue plates. In how many ways can a person make a selection of…

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Q: Find the number of different ways that a family of 9 can be seated around a circular table with 9…

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Q: Craig is training for a race. He bikes every 2 days and swims every 3 days. If he biked and swam…

A: Given, Craig is training for a race.  He bikes every 2 days and swims every 3 days . If  he biked…

Q: A doctor visits her patients during morning rounds. In how many ways can the doctor visit 7 patients…

A: Given Number of patients=7

Q: Visa cards have 16 digits. The first digit is always 4 as in 4xxxxx – with the 2nd to 6th digits…

A: There are 10 digits including zero. The first number should be 4. It is given that the 2nd to 6th…

Q: Visa cards have 16 digits. The first digit is always 4 as in 4xxxxx – with the 2nd to 6th digits…

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Q: This

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Q: You are going go convert raw scores to z scores of -2, -1, 0, +1, +2. The raw score is 8, 10, 17,…

A: Z-score=(Raw-Score-Mean)/SD

Q: The average of 3 numbers is between 7 and 10. The sum of the numbers could be any of the following…

A: Given that:-The average of 3 numbers is between 7 and 10.let, the three numbers are N1, N2 &…