Take Test 53 Online Homework MATH134201 Elementary A Updates

Take Test: 5.3 Online Homework MATH-1342-01 Elementary... A. Updates b.blackboard.com/webapps/assessment/takellaunch jsp?course assessment id .334416 course id Do you waa these upda Standard Deviation a www.google.com.mx/u... O 12, 15.50, 3.94 1 points Save Ans Question 4 solve the problem. Suppose that a family has 5 children and that the probability of having a girl is What is the probability of having no more than three boys? O 0.5000 0.3125 O 0.9688 O 0.8125 1 points Save Answe Question 5 A Calculus student takes a 20-question, multiple choice test with 5 answer choices for each question. Find the probability of getting at least 70% of the questions correct? 0.054 O 0.073 O 0.121 1 points Question 6 In a survey at a local college, 18x of students reported that they do not own a mobile device with internet capabilities. If 20 students are selected at random, find the probability that exactly 5 students don\'t own a mobile device with internet capabilities. D 0.85 0.01

Solution

P(X=3) in a binomial distribution with 1/2, 5

= 0.5000

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b) p = 0.2 n =20, x>=14

prob = 0.0000

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c) x=5 n =20 p =0.18

prob = 0.1493