Out of 176 students surveyed at a sporting event, half were males and athletes. 120 students surveyed were males and 129 were athletes. What is the probability that a student was male or an athlete? What is the probability that a student was female or an athlete? What is the probability that a student was male or not an athlete? Of the students who are athletes, how many are male?

Out of 176 students surveyed at a sporting event, half were males and athletes. 120 students surveyed were males and 129 were athletes. What is the probability that a student was male or an athlete? What is the probability that a student was female or an athlete? What is the probability that a student was male or not an athlete? Of the students who are athletes, how many are male?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

A science class has 3 girls and 9 boys in seventh grade and 5 girls and 3 boys in eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the student she selects are both girls?
A bag of candies contains 14 jolly ranchers, 6 skittles, and 10 chocolates. What is the probability of drawing a jolly rancher, keeping it, then drawing a chocolate?
50% of the senior class is female. Of the females, 20% are school athletes. What is the probability that a senior selected at random is a female school athlete?
If the probability of rain is 0.7, the probability of fog is 0.25, and the probability of rain and fog is 0.2, what is the probability of rain or fog?
A high school choir has 42 members, of which 21 are tenors.What is the probability that a randomly selected singer will be a tenor?
Three percent of the students at Lincoln High are in orchestra, 5% are in band, and 1% are in both. If a student is selected at random, what is the probability that the student is in orchestra or band?
A local university has a student population that is 55% male. 60% of students are undergraduates. 38% are both male and undergraduates. What is the probability that a randomly selected student is both female and an undergraduate? What is the probability that a randomly selected student is either female or an undergraduate?
A cooler contains 100 ice cream bars. There are 30 Vanilla bars, 20 Mint Chocolate Chip bars,10 Chocolate bars, and 40 Rocky Road bars. If one bar is selected at random from the cooler, determine the probability that the bar selected is Vanilla, Chocolate, or Rocky Road.
A golf ball is selected at random from a golf bag. If the golf bag contains 8 yellow balls, 6 brown balls, and 6 black balls, find the probability of the following event. The golf ball is yellow or brown.
The probability that a song was rock is 0.5, the probability that it had over 1,000 plays is 0.4, and the probability that it was rock or had over 1,000 plays is 0.8. What is the probability that a randomly chosen song was rock and had over 1,000 plays?
ABC garage replaces brakes and shocks. Eighty-five percent of the automobiles that come in need new brakes and 35% need shocks. An automobile is brought in. What is the probability that the automobile needs both brakes and shocks?
Approximately 18% of shoppers used cellphones to look for deals. THe probability of making a purchase was 0.45 if a person used a cell phone to shop. For a randomly selected shoppers, what is the probability that the person used a cell phone and made a purchase?