SOLUTION: The distribution of the number made by a class of student last month: Number of donations made: 1 2 3 4 5 Number of students: 20 5 2 4 2 If a student is elected at random

Question 1176014: The distribution of the number made by a class of student last month:
Number of donations made: 1 2 3 4 5
Number of students: 20 5 2 4 2
If a student is elected at random, find the probabilities of the following.
A. the student did not make any donations last month
B. The student made 1 or 2 donation last month
C. The student made more than 3 donations last month
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!


Hi
Number of donations made: 1 2 3 4 5
Number of students:       20 5 2 4 2   33 students

A. the student did not make any donations last month P(x=0) = 0
B. The student made 1 or 2 donation last month  P(1 0r 2) = 25/33
C. The student made more than 3 donations last month  P(x >3) = 6/33

Wish You the Best in your Studies.

RELATED QUESTIONS
The following table shows the distribution of the number of donations made by a class of... (answered by math_tutor2020)

The following table shows the distribution of the number of donations made by a class of... (answered by ewatrrr)

Please help me solve this the distribution of the number of erros 10 students made on a... (answered by stanbon)

Use the table below. Half of the students that made an A failed the last test and now... (answered by Fombitz)

Eleven groups of people were checking into a hotel. Group one made up 1/4 of the total... (answered by ankor@dixie-net.com)

The monthly telephone bill has a fixed tariff of Rs 300 for upto 50 outgoing calls. For... (answered by mananth,greenestamps)

Ben rolls a 1-6 number cube. Find each probability. 1.) Ben rolls a prime number or an... (answered by stanbon)

in a class of 40 students, the number of girl student is 3/5 of the number of boy... (answered by sachi)