How much did she effectively contribute to the hiking club?

Q: When buying the sofa set, he paid only 70% of the actual price. If che actual price is 4,200, then

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Q: My sister Donna started a trading card collection last year, but unfortunately, she can’t seem to…

A: If (1/a) of the item is reduced from the lot of x items then remaining items would be equal to…

Q: A raffle is being held to benefit the local animal shelter. They sell 544 tickets that do not win…

A: Given A raffle is being held to benefit the local animal shelter.  They sell 544 tickets that do not…

Q: On tuesday, Steve the street vendor sold Diamond earrings for $5 and Rolex watches for $8.  He sold…

A:

Q: A popular clothing store purchases a sweater for $18 and sell it at a 98% markup.  What is the…

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Q: A raffle is being held to benefit the local animal shelter.  They sell 649 tickets that do not win…

A:

Q: A raffle is being held to benefit the local animal shelter.  They sell 775 tickets that do not win…

A: Given that Number of tickets that do not win any prize = 775 Number of tickets valued $20 is 5…

Q: A teenager plans to buy a used mountain bicycle. The price for the used bike is 7/16 of the original…

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Q: The price of a slice of pizza is represented by the letter p. Pizza is on sale this week: you canbuy…

A: Given:- The price of a slice of pizza is represented by the letter p

Q: There are four ladies in a birthday club. Three have birthdays. One lady bought $900.00 in gift…

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Q: In 2014, the median household income in Durham-Chapel Hill, NC was $50,504. If the median household…

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Q: A piano that cost Sunset Pianos $3,250 has a markup rate of 52%. Find the selling price of the…

A: The objective of this question is to find the selling price of a piano given its cost price and the…

Q: A study found that the average home price for 14 houses in one community was $285,000.  Two more…

A: We need to find new average price.

Q: A raffle is being held to benefit the local animal shelter.  They sell 513 tickets that do not win…

A: Expected value:The expected value of a random variable is the sum of the possible values that the…

Q: A raffle is being held to benefit the local animal shelter.  They sell 756 tickets that do not win…

A: Expected value: The expected value of a random variable is the sum of the possible values that the…

Q: A study found that the average home price for 14 houses in one community was $285,000. Two more…

A:

Q: If I have a 89.71% in my class and a quiz is worth 5% of my grade, how much will my grade drop if I…

A: Given: The percentage obtained in class=89.71% Total grade for quiz=5% The grade obtained in quiz=0

Q: A high school is selling 500 raffle tickets for a dinner for two, valued at $80. What would be a…

A: Price of 500 tickets: $80To find: A fair price to pay for one ticket.

Q: Last year’s freshman class at Big State University totaled 5,324 students. Of those, 1,253 received…

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Q: Mobile Provider A charges a $35 monthly fee plus $0.08 per minute for calls. Mobile Provider B…

A:

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.