A random password app gives you an independent string of 6 unpredictable letters a-z. You are part of a study group of 7 people, each of whom has a random password. What is the probability that you and your best friend have the same first letter in your passwords? O.143 .0385 O.0204 O.00463

Q: 40% of a Math 310 class are women. The probability that a woman likes the color blue is 10%. What is…

A:

Q: John's class roll has 30 students listed in alphabetical order. Exactly 5 of those students received…

A: Given that : John's class roll has 30 students listed in alphabetical order. Exactly 5 of those…

Q: Jaco has a list of 90 data science students, 20 of whom are female and 70 of whom are male. He then…

A: Solution: From the given information, total number of data science students is 90. Out of whom 20…

Q: What is the probability they were correctly matched?

A: Thirteen of your graduation gift thank-you note/envelope pairs were randomly matched withoutchecking…

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.