A researcher wanted to test eight specific drugs and he had enough animals to test five drugs. How many groups of drugs can be tested? randomly

Q: A researcher wishes her patients to try a new medicine for depression. How many different ways can…

A: Given: There are 47 patients. We use combination to find how many ways researcher can select 5…

Q: it's election day for a club. if a President and vice president or elected how many different…

A:

Q: How many different sets of three candies can you select?

A: A candy jar has 10 different candies in it three candies are selected from jar

Q: There are 5 defective light bulbs in a bin containing 60 light bulbs. How many ways can you select…

A:

Q: Two coins are randomly drawn from a coin pouch. If there are 4 dimes, 2 nickels, and a quarter, how…

A: The pouch contains 4 dimes, 2 nickels and one quarter. Two coins are randomly drawn from a pouch.

Q: You bought a few packages with the same number of ping pong balls each and then you open all. When…

A: This question is related to numbers and combinations, we will solve it by using given conditions.

Q: An ice-skating rink inspects 25 pairs of skates and finds 2 pairs to be defective. rink has 150…

A: Given       an ice -skating rink inspects 25 pairs of skates…

Q: In how many ways can you choose 5 out of 11 people for a game of basketball?

A: In how many ways can you choose 5 out of 11 people for a game of basketball. Here i attached…

Q: In how many ways can 5 people be seated on a sofa, if there are only 3 seats available? * In how…

A:

Q: In a box there are: 11 red books, 7 white books and 4 blue books. Five books are randomly selected.…

A: From the above data  We are given that  11 red books, 7 white books and 4 blue book

Q: In Ms. Noime's math class there are 15 students out of which 4 will be selected to receive a special…

A: In question, Given that In Ms. Noime's math class there are 15 students out of which 4 will be…

Q: Joe has 6 favorite baseball teams, and he puts their flags on his flagpole in random order. How many…

A: Solution

Q: 6 A security guard counted the vehicles in the parking lot of a mall. He counted 119 cars and 98…

A: To determine: Total number of tyres in cars and truck present in parking lot alltogether. Given:…

Q: There are 8 teams in the Metropolitan Division in the NHL's Eastern Conference. How many ways can…

A: Given , Number of teams=8 Number of ways can the team finish first = 8Number of ways can the team…

Q: A friend of mine is giving a dinner party. His current wine supply includes 11 bottles of zinfandel,…

A: Given current wine supply includes 11 bottles of zinfandel, 13 of merlot, and 9 of cabernet

Q: How many different choices of car do you have if a particular model comes in 12 colors and 4 styles…

A: Total car = number of deferent colour x no of style.

Q: 50 people were surveyed about whether they like the ice cream flavors vanilla and 20 people liked…

A: Let the people who like vanilla be denoted by V and people who like strawberry be denoted by S.…

Q: 20 fifth graders compete in a spelling bee. If there is a gold medal, silver medal, and bronze medal…

A: We have  Medals = 3 Positions = 3

Q: How many ways can seven people line up at a ticket window?

A: There are 7 people. n=7

Q: . In a hospital with 20 medical doctors, how many ways can we select 5 at a time to be in the…

A: Number of medical doctors are 20

Q: There are 6 boys playing soccer. 3 boys go home. Then 1 more boy goes home. How many boys are there…

A: Given that there are 6 boys playing soccer, 3 boys go home then 1 more boy goes home. We have to…

Q: A friend of mine is giving a dinner party. His current wine supply includes 11 bottles of zinfandel,…

A:

Q: How many ways can Rudy choose 4 pizza toppings from a menu of 14 toppings if each topping can only…

A: 41. Combinations: The number of combinations of r items selected from n items is, Crn=n!n-r!r!

Q: a card store received a shipment of 12 cartoons of sports cards . Each cartoon contains 20…

A:

Q: A teacher wants to write an ordered 4-question test from a pool of 12 questions.  How many different…

A: Given Data: The number of question in a pool is: n=12 The number of question required for test  is:…

Q: Elvis has 12 close friends. How many different combinations of 5 of them may be invited for dinner…

A: w heave to find no. Of combinations possible.

Q: A box contains 7 different marbles. In how many ways can you select 5 marbles for you to play with…

A: A box contains 7 different marbles. in how many ways can you select 5 marbles for you to play with…

Q: in a horse race how many different finishes amongst the first three places if 16 horses are running?

A:

Q: There are 15 students waiting at the bus stop. If the bus can only fit 6 more students, how many…

A:

Q: One hundred sixty-five people each purchased one raffle ticket. Three winning tickets are randomly…

A:

Q: 5. The school has case of 144 donut holes and a case of 24 milks. If these are divided evenly among…

A: 5. Given  The school has case of 144 donut holes and a case of 24 milks.

Q: black hair or had a whole row to themselves (or both). Of this total, 25 had black hair and 5 were…

A:

Q: A college plans to interview 8 students for the possible offer of graduate assistantships. The…

A:

Q: Your wardrobe consists of 5 shirts, 3 pairs of pants, and 17 bow ties. bow ties How many different…

A: According to multiplicative principle, if an event A can occur in m ways and each probability for A…

Q: There are 7 athletes at a track meet. How many different ways can they finish first, second, and…

A: Principle counting is a measure used for counting. It measure the number of possible outcomes in an…

Q: Twenty one cancer patients volunteer for a clinical trial. Nine of the patients will receive a…

A: It is given that n=21 and r=12.

Q: Eight students entered the testing room that had 20 chairs evenly arranged on each side. If two of…

A: Let us assume there are three ladies A, B and C sitting beside each other. The different ways in…

Q: 6. In a college graduating class of 100 students, 54 studied mathematics, 69 studied history and 35…

A: Solution : Given that In a class of 100 students, 54 studied mathematics, 69 studied history, 35…

Q: 14 people try out for a basketball team, how many different ways are there to select 5 players if…

A: Given information: Total number of people who try out for a basketball team(n)=14. Number of…

Q: A poker hand consists of 5 cards selected from a deck of 52 cards. How many poker hands consists of…

A: Here, order does not matters. Therefore combination rule can be applied.

Q: Joe had 6 favorite baseball teams , and he puts their flags in his flagpole in random order. How…

A:

Q: 25. In a tennis tournament with 18 players, how many possible matchups (one-on-one) are there?

A:

Q: An ice cream parlor has six flavors of ice cream. Kristen wants to buy two flavors of ice cream. If…

A:

Q: A candy manufacturer makes 7 kinds of brown chocolate candies and 3 kinds of white chocolate…

A:

Q: A major league baseball team has 40 players of which 25 are considered active. a.) How many ways are…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Eighteen people decide to play softballIn how many ways can the 18 people be divided into 2 teams of…

A: We have to find given no. Of ways...

Q: a little league manager has 12 children on her team. How many ways can she form a 9- player batting…

A: Given that  Total player=12 Batting order player=9 Find the number of ways can she form a 9 player…

Q: How many 5 card hands possible with a 26 card deck?

A: Consider the provided question, Given, there are 26 card deck. Number of cards in one hand is 5.

Q: A raffle sells 1000 tickets for $5.00 a piece. In how many different ways can the the top prizes of…

A:

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.