Answer A&B using the following table. The table shows responses of 125 people to the question of whether they prefer Black tea, Green tea or neither.    Green Tea Black Tea Neither Total Female 25 40 15 80 Male 10 15 20 45 Total 35 55 35 125 A. What is the probability (to the nearest 0.1) that a randomly selected person prefers black tea? B. If one person is randomly selected, what is the probability (to the nearest 0.1) that the person is BOTH a male AND prefers Green Tea?

A survey of 200 people was conducted to see if they smoke.   The results are shown in the table.   Male Female Total Smokes 87 74 161 Doesn't smoke 22 17 39 Total 109 91 200   If a person is selected at random, what is the probability that the person is a male or a smoker?   0.423 0.915 1.785 correct answer is not given

The table shows the results of a survey of college students. Find the probability that a student's first class of the day is a humanities class, given the student is male. Round to the nearest thousandth. First Class of the Day for College Students Male Female Humanities 70 80 Science 50 80 Other 60 70 O 0.171 O0.467 O 0.269 O 0.389 Type here to search

1. Use this table for the following questions:                        Female      Male         TotalShort Hair       20              40             60 Long Hair        30              10             40 Total                50              50             100 a. Complete a total probability table.b. Complete a row probability tablec. Complete a column probability table.d. The probability that a student does not have long hair. _________e. The probability that a student is male or has short hair. ________f. The probability that a student is a female and has long hair. _________g. The probability that a student is male, given that the student has long hair. _________h. The probability that a student has long hair, given that the student is male. _________i. Of all the female students, the probability that a student has short hair. ________j. Of all students with long hair, the probability that a student is female. _________k. The probability that a student is female or has long hair.…

A test is given to a group of student.  The grades and gender are summarized below.   A B C Total Male 20 16 18 54 Female 19 7 9 35 Total 39 23 27 89   If one student is chosen at random, find the probability that the student was female OR got a "B"

A researcher wanted to study the commuting habits of community college students and faculty. He wanted to compare their mode of transportation to the college. He asked if they walk, bike, or drive to campus. The following table represents the data that was collected.   Walks to campus Bikes to campus Drives to campus Total Students 70 22 78 170 Faculty 5 4 23 32 Total 75 26 101 202   A. Find the probability that a randomly selected member of faculty walks to campus.   B. If you are randomly selecting a person from those who bike to campus, what is the probability that you will select a student.   C. Perform a Test of Independence to determine if commuting habits are dependent on being a student or a faculty.

Giving a test to a group of students, the grades and gender are summarized below   A B C Total Male 17 9 5 31 Female 7 14 20 41 Total 24 23 25 72 If one student is chosen at random...Find the probability that the student got a C:   Find the probability that the student was male AND got a "B":   Find the probability that the student was male OR got an "B":   Find the probability that the student got a 'B' GIVEN they are female: