Anna surveyed 48 students to see which devices are available at home used for their online learning, and here is the information she got:46 Students uses smartphone36 Students uses laptop34 Students uses both2. Make a Venn Diagram that will represent the problem; and3. complete and detailed solutions to the following questions.a) How many students have a laptop or a smartphone?b) What is the number of students who has neither a laptop nor asmartphone?c) Determine the probability of students with smartphone P(S) andprobability of students with Laptop P(L).d) Show the probability of randomly selecting a student who has either alaptop or a smartphone.e) What is the probability of randomly choosing a student who doesn'thave any learning devices?

here given, 46 students uses smartphones 36 students uses laptop 34 students uses both S= uses…

Answered: 3. complete and detailed solutions to…

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...

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A raffle ticket costs $5. First and second prize winners will be drawn at random. The probability of winning the $100 first prize is 1/40 and the probability of winning the $25 second prize 1/20. A) find the probability model of a player's net gain, taking into account the $5 cost of the ticket? B) what is the mean winning for one play?
I have a compound probability question.
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.…
The probability of visiting the zoo is 0.80. The probability of visiting the caverns is 0.55. The probability of visiting both is 0.42. What is the probability of the visiting the zoo or the caverns? 1) 0.93 2) 0.44 3) 1.35 4) 0
6. PLEASE HELP me answer this question well explained and calculated. 6.) The probability that a business person will cancel his reservation at the Place des Pins hotel is about 10%. Knowing that the hotel has 56 reservations. A.) determines the probability that at least 10 business people will cancel their reservation; B. determines the probability that exactly 2 business people will cancel their reservation. C.) determines the probability that 5 to 10 people in the business community will cancel their reservation.
How would you write a.) The probability that more than 44 crashes occur today b.) The probability that less than 42 crashes occure today c.) The probability that between 42 and 44 crashes occur today
A problem in statistics is given to three students A, B andC whose enhances of solving it are 1/2, 3/4 and 1/4 respectively. What is the probability that the problem will be solved ?
Question: A survey is conducted among 70 people. Details about if theyhave diabetes and their family history of diabetes are collected. 48 people reported that they have a family history of diabetes. 32 of them reported to have diabetes among which 23 of them had a family history of diabetes. Construct a contingency table with this information. What is the probability that an individual has diabetes given that the individual had a family history of diabetes?
3. The latest data from the CDC indicates that 14% of Americans are smokers. A researcher wants to identify smokers for a survey. He randomly selects people entering a grocery store to ask if they are a smoker. a) What is the probability that he identifies the first smoker on his 5th try? b) What is the probability that he has to approach more than 8 people before finding the first smoker? c) How many people does he expect to approach before finding the first smoker?
Ex: For a particular case, consultation committee should be formed to include five consulting engineers to make a decision on that case. If there are 40 male consultants and 20 female consultants, What is the probability of that committee includes 3 male and 2 female consultants ?
Privacy is a concern for many users of the internet. One survey showed that 62% of internet users are somewhat concerned about their confidentiality in their email. A random sample of 9 people is taken. Use thus information to find the following. a) The probability that all people sampled are somewhat concerned about confidentiality of their email. b) The probability that 4 or fewer people sampled are somewhat concerned about confidentiality of their email. c) The probability that exactly 7 people sampled are somewhat concerened about confidentiality of their email. d) The probability that between 2 and 5 of the people are somewhat concerned about confidentiality of their email.

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