My closet contains 10 dress shirts arranged in a random order. To find a particular shirt, I start looking through them from left to right. What is the expected number of shirts that I need to search through before I find the one I want?

Q: There are 275 students who applied for a scholarship. If there are 107 females and 86 coming from…

A: There are 275 students who applied for a scholarship. If there are 107 females and 86 coming from…

Q: Emma’s 100-meter dash time is ranked at the 96thpercentile among all highschool sprinters in the…

A: We have to find Emma's rank.

Q: From the ten books that you’ve recently bought but not read, you plan to take four with you on…

A: From the ten books that you’ve recently bought but not read, you plan to take four with you on…

Q: Fashion designers are trying to decide on just the right shade of blue for a new line of jeans. They…

A: Mix A, have three bottles of blue color and two bottles of white color. Mix B, have four bottles of…

Q: A crayon company recently changed its labels. It currently has 323,523 crayons with the old label…

A: We have to find how many crayons does the company have in stock.

Q: Every white car in the Ela Motors car yard was a Toyota Twin Cab. Half of all the red cars were…

A: Please see the below picture for detailed solution.

Q: In a survey of 1000 students it was found that 840 own a cell phone, 450 own an MP3 player and 370…

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Q: A baseball team has 13   players. How many 9​-player batting orders are​ possible?

A:

Q: A theater has 30 seats in the first row, 32 seats in the second row, in- creasing by 2 seats each row…

A: Total number of rows = 26Increment in each row = 2So, starting from the first row, we have 30 seats,…

Q: Find the number of playing cards in a standard deck of 52 cards that are either tens or red cards…

A: Find the number of playing cards in a standard deck of 52 cards that are either tens or red cards…

Q: There are 100 students who are taking history or sociology. If 10 are taking both courses and 45 are…

A: There are 100 students who are taking history or sociology and 10 are taking both courses and 45 are…

Q: I have five different books that I want to read. How many different orders could I read them in?

A: There are 5 books amd i want to read them we want to find how many different orders could i read…

Q: Charmaign’s daughter has $12.00 she wants to spend on comic books and superhero cards. Comic books…

A: Given that the total amount to be spent is $12, cost of each comic book is 6 cents is $0.06 and cost…

Q: There are 100 people waiting in line for IDs.  Of these, 50 are from Indiana, 45 are freshman, and…

A: To count the number of persons satisfying the given conditions

Q: There are 2 songs in a playlist. How many ways are there to order and play them one by one? Each…

A: The objective of this question is to find out the number of ways to order and play 2 songs in a…

Q: A box of 25 light bulbs is shipped to a hardware store. When it arrives, four of the bulbs are…

A:

Q: After another gym class you are tasked with putting the 20 identical dodgeballs away into 3 bins.…

A:

Q: A pizza shop offers mushrooms, pepperoni, and onion for their pizza topping and 1 type of cheese.…

A: The number of ways of selecting r objects from n objects can be given by evaluating the expression .…

Q: In the mid 1990 the state of Florida ran out of the combination of letters and numbers for license…

A: Given information, In a state of F, the combination of letters and number is used for license plate.…

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.