Mathematics, 06.06.2020 02:04 echavarrianoah
300 students in a high school freshman class are surveyed about what kinds of pets they have. Of the 300
students, 200 have a dog, 180 have a cat, and 150 have a cat and a dog. Using this information, answer
• each of the following questions.
Let D be the event that a randomly selected student has a dog and C be the event that a randomly
selected student has a cat.
What is P(D), the probability that a student in the class has a dog?
What is P(C), the probability that a student in the class has a cat?
What is P(D and C), the probability that a student in the class has a dog and a cat?
What is P(D or C), the probability that a student in the class has a dog or a cat?
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 17:00
Need this asap if anyone can i would be very grateful. if you could show workings that would really
Answers: 1
Mathematics, 21.06.2019 20:20
Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.
Answers: 1
Mathematics, 22.06.2019 00:30
Nellie is analyzing a quadratic function f(x) and a linear function g(x). will they intersect? f(x) g(x) graph of the function f of x equals one half times x squared, plus 2 x g(x) 1 5 2 10 3 15
Answers: 2
You know the right answer?
300 students in a high school freshman class are surveyed about what kinds of pets they have. Of the...
Questions
Mathematics, 08.12.2019 17:31
English, 08.12.2019 17:31
History, 08.12.2019 17:31
Mathematics, 08.12.2019 17:31
Mathematics, 08.12.2019 17:31
Biology, 08.12.2019 17:31
Biology, 08.12.2019 17:31
