Solution-Find the probability that at most four students

Find the probability that at most four students will attend

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Reference no: EM133245329

1. A school newspaper reporter decides to randomly survey 12 students to see if they will attend Tet (Vietnamese New Year) festivities this year. Based on past years, she knows that 18% of students attend Tet festivities. We are interested in the number of students who will attend the festivities

Find the probability that at most four students will attend.

a. 0.9697

b. 0.9875

c. 0.9213

d. 0.9511

e. 0.9435

2. From January through December 2012, Gallup interviewed more than 170,000 employed Americans 18 years of age or order. The graph shown is compiled from data collected by Gallup. The Emotional Health Index Scores are the sample space. We randomly sample one Emotional Health Index Score.

What is the probability that the selected Emotional Health Index Score is less than 80.2 given that it is already less than 81.

a. 0.4385

b. 0.4156a

c. 0.4286

d. 0.4137

e. 0.4596

Reference no: EM133245329

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Find the probability that at most four students will attend

Reference no: EM133245329

Reference no: EM133245329

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