1. A hacker is trying to guess someone's password. The hacker knows (somehow) that the password is 5 digits long, and that each digit could be a number between 0 and 3. Assume that the hacker makes random guesses. What is the probability that the hacker guesses the password on his first try? Round to six decimal places. 2. A bag contains 7 red marbles, 6 white marbles, and 8 blue marbles. You draw 3 marbles out at random, without replacement. Find the following probabilities and round to 4 decimal places. a. The probability that all the marbles are red is b. The probability that none of the marbles are red is 3. Chad buys a bag of cookies that contains 9 chocolate chip cookies, 7 peanut butter cookies, 6 sugar cookies, and 5 oatmeal cookies. What is the probability that Chad randomly selects a chocolate chip cookie from the bag, eats it, then randomly selects a sugar cookie? (Round to 4 decimals)
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.
1. A hacker is trying to guess someone's password. The hacker knows (somehow) that the password is 5 digits long, and that each digit could be a number between 0 and 3. Assume that the hacker makes random guesses. What is the
2. A bag contains 7 red marbles, 6 white marbles, and 8 blue marbles. You draw 3 marbles out at random, without replacement. Find the following probabilities and round to 4 decimal places.
a. The probability that all the marbles are red is
b. The probability that none of the marbles are red is
3. Chad buys a bag of cookies that contains 9 chocolate chip cookies, 7 peanut butter cookies, 6 sugar cookies, and 5 oatmeal cookies. What is the probability that Chad randomly selects a chocolate chip cookie from the bag, eats it, then randomly selects a sugar cookie? (Round to 4 decimals)
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