Which is an example of a binomial experiment? tossing a coin 100 times asking 100 people who they voted for as president of the U.S. asking 100 people their ages O rolling a die 100 times

Toss a fair die and two fair coins. (Hint: Use (a) to compute (b) and (c)) (a) Write down the sample space. (b) Find the probability of getting exactly two heads. (c) Find the probability that the number on the die is at most 2.

Two students are randomly selected from a class of 20 girls and 5 boys What is the probability that two girls are selected? Round answer to four decimals

How to solve this question?

G Google M Gmail YouTube Maps Consider the students in your statistics class as the population and suppose they are seated in four rows of 10 students each. To select a sample, toss a coin. If it comes up heads, you use the 20 students sitting in the first two rows as your sample. If it comes up tails, you use the 20 students sitting in the last two rows as your sample. (a) Does every student have an equal chance of being selected for the sample? Explain. O No, the coin flip does not ensure an equal chance of being selected. O Yes, your seating location and the randomized coin flip ensure equal chances of being selected. O No, your seating location does not ensure an equal chance of being selected. O Yes, your seating location ensures an equal chance of being selected. (b) Is it possible to include students sitting in row 3 with students sitting in row 2 in ypur sample? O Yes, it is possible with this described method of selection. O No, it is not possible with this described method of…

A2 both these questions were answered wrong. please fix !

32

Instructor-created question Question Help v Fran is taking a multiple choice quiz with 4 questions. Each question has 5 choices including exactly 1 correct answer. There is no partial credit. If Fran is just guessing: (a) How many questions can Fran expect to get right? Exact decimal answer: (b) What is the probability that Fran gets at least 70% passing? Exact decimal answer: brrect: 0 Enter your answer in the edit fields and then click Check Answer. All parts showing Clear All Check Answer O v O 12:13

Pls help ASAP

hello i need help with 1,2,3 just the multiple choice answer please and thank you i appreciate it