A fish pond contains 129 tetras, 126 angelfish, 3 cory cats and 172 goldfish. What is the probabability of picking a tetra?

Q: If there are 57 cards in a deck and 12 are dealt to each student, how many 12 card possibilities are…

A: Combination Rule:The arrangement of r objects from n different objects is given by:

Q: There are 22 students in a fraternity. In how many ways can a committee of 6 students be selected?…

A: Given that Number of students=22 Number of students selected=6

Q: During a birthday party, how many ways can five guests, both parents, and the birthday celebrant be…

A: Follow the steps.

Q: A hat contains 5 balls. The balls are numbered 1, 3, 4, 5, and 7. One ball is randomly selected and…

A: There are 5 balls in balls. The balls are with number 1, 3, 4, 5, and 7. As a fair decision is made…

Q: There are 11 different flavors of jelly beans in a jar. You reach in and grab 7 jelly beans. How…

A: From the provided information,There are 11 different flavors of jelly beans in a jar. You reach in…

Q: Four cards are dealt from a standard deck of 52 cards. How many ways can you be dealt two jacks and…

A: A standard deck contains 52 cards. Four cards have to select.

Q: There are 19 finalists in a singing competition. The top four singers receive prizes. How many ways…

A: There are 19 finalist in the singing competition. Top 4 singers receives prizes. The number of ways…

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

A:

Q: A committee consists of 4 men and 5 women. Three members are to be selected at random to form a…

A: Given that  Committee consists of  4 Men and 5 Women  Then we have to choose 3 members to be…

Q: A club with 29 members is to select a committee of five persons. In how many ways can this be done?

A: In a committee, we select the persons as a group. So the arrangement does not matter. So we will use…

Q: A school has 677 students. Explain why at least two students must have the same pair of initials?…

A: In total, there are 677 students  Also, there are 26 letters in English alphabets.

Q: In a bag containing 5 white balls and 6 black balls, how many ways can we draw a white or a black…

A:

Q: A student must answer 3 out of 5 essay questions on a test. In how many different ways can the…

A: A student must answer 3 out of 5 essay questions on a test. In how many different ways can the…

Q: There are 18 males and 14 females in a classroom. A president, secretary and vice- president must be…

A: There are 18 males and 14 females in a classroom. A president, secretary and vice president must be…

Q: The supreme choice pizza at Pete's Pizza contains 3 different types of meat and 2 different…

A: It is given that a supreme choice pizza at Pete’s Pizza contains 3 different types of meat and 2…

Q: There are 25 students in a science class. Twenty percent of the students are randomly chosen to…

A: Solution :  There are 25 students in a class.  Twenty percent of the students are randomly chosen…

Q: 10 people is choosing a chairperson and vice chairperson

A: Given that   A group of 10 people = (n)=10 We have to select two people from total 10 people.…

Q: You are ordering an extra large pizza with multiple toppings on it. In how many ways can 6 different…

A:

Q: our cards are dealt from a standard deck of 52 cards. How many ways can you be dealt three aces and…

A: Four cards are dealt from a standard deck of 52 cards. There are 4 cards of aces in the deck. There…

Q: A pizzeria has 14 types of pizza. How many different ways are there to choose 18 pizzas with at…

A: The probability is nothing but the likelihood of the occurrence of the event. The probability of an…

Q: From a group of 36 people, a jury of 12 is selected. In how many different ways can a jury of 12…

A: According to the combination rule, if r distinct items are to be chosen from n items without…

Q: Ten jokes are listed in a magazine.   If the fourth joke from the magazine is​ excluded, in how…

A: There are 10 jokes listed in a magazine.Here 4th joke is excluded than find the number of ways…

Q: The president has a team of 20 trusted bodyguards. In how many ways can the president choose 5…

A: Given,  The president has a team of 20 trusted bodyguards  We have to find the number of ways of…

Q: 2) A bag contains four red tiles, three blue tiles, 9 green tiles and three white tiles. How many…

A:

Q: A new car model is available with 5 choices of color, 3 choices of transmission and 4 types of…

A: From the provided information, A new car model is available with 5 choices of color, 3 choices of…

Q: At a local pizza shop, they are running a "5 topping special." In have many ways can 5 pizza…

A: Given: Number of available toppings, n=14 The objective is to find the number of ways in selecting 5…

Q: A club with 25 members is selecting a committee of 6 people. In how many ways can this be done?

A: *concept:- use defination of Combination.

Q: In a cohort of 25 graduating students, there are 3 different prizes to be awarded. If no student can…

A:

Q: In the Summer Olympics, there were eight runners in the final of the men's 100 meter dash. This race…

A: There are six non-USA runners, and we want to find the number of possible podium finishes that don't…

Q: A four-person committee is to be selected from an organization’s membership of 12 people.  How many…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.