Assume that 15% of the people in your expedition trip own a mobile phone, and you are randomly assigned to two partners in your group. Find the probability that: a) The first partner will have a mobile phone. b) The first partner will not have a mobile phone. c) That both partners will have mobile phones. d) That at most one will have a mobile phone

Assume that 15% of the people in your expedition trip own a mobile phone, and you are randomly assigned to two partners in your group. Find the probability that: a) The first partner will have a mobile phone. b) The first partner will not have a mobile phone. c) That both partners will have mobile phones. d) That at most one will have a mobile phone

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

X 4. A bag of fast-food sandwiches contains two hamburgers, four cheeseburgers, and three chicken burgers. If Wyatt ordered a cheeseburger and a chicken burger, what is the probability that a) the first sandwich selected will be one of his choices? b) neither of the first two sandwiches will be among Wyatt's choices?
A math class consists of 25 students, 14 female and 11 male. Three students are selected at random to participate in a probability experiment. Compute the probability that d. three males are selected. e. three females are selected.
How do we do in excel
a). A girl is randomly picking flowers in a meadow for a bouquet. She will stop once she has picked 4 dandelions. Suppose that a randomly selected flower is a dandelion with probability 0.70. Find the probability that her bouquet will have exactly 8 flowers in total. b). An entomologist has a collection of 20 insect specimens: 5 are butterflies and 15 are moths. He randomly selects a sample of 6 specimens to study. Find the probability that the sample contains an equal number of butterflies and moths. 2
A college surveys the 1258 alumni from 2019 and 2020. Of the 679 alumni from 2019, 127 went on to graduate school. Of the 579 alumni from 2020, 196 went on to graduate school. Find the probability that an alumnus selected at random from 2019 and 2020 is as described. a) a 2019 alumnus? b) a 2020 alumnus? c) a 2019 alumnus who did not attend graduate school?