Odd teaches a course and send an invitation email to the 50 students to install an app to support the course content. Each of the students have a probability of 0.2 to not trust the invitation and delete the email. The rest of the students will install the app. Let the random variable X be the number of students who don't trust the app. (For this problem, the booklet may have some spreadsheet functions that may help.) 2.iWhat is the probability that X does not exceed 10? (2 decimal accuracy.) a) Some Work b) 0.00 c) 0.41 d) 0.44 e) 0.57 f) 0.58 g) Other _____ 2.ii What is the probability that X is at least 7 but not more than 10? (2 decimal accuracy.) a) Some Work b) 0.00 c) 0.25 d) 0.34 e) 0.39 f) 0.41 g) 0.44 h) 0.57 i) 0.48 j) Other _____ 2.iiiSuppose that X does not exceed 10. What is then the probability that X is at least 7 but not more than 10? (Hint: there is this formula friend...it is always there for us—not only for use with the never fail method.) (2 decimal accuracy.) a) Some Work b) 0.00 c) 0.39 d) 0.44 e) 0.48 f) 0.58 g) 0.77 h) 0.82 i) Other _____
Odd teaches a course and send an invitation email to the 50 students to install an app to support the course content. Each of the students have a
2.i
What is the probability that X does not exceed 10? (2 decimal accuracy.)
- a) Some Work
- b) 0.00
- c) 0.41
- d) 0.44
- e) 0.57
- f) 0.58
- g) Other _____
2.ii
What is the probability that X is at least 7 but not more than 10? (2 decimal accuracy.)
- a) Some Work
- b) 0.00
- c) 0.25
- d) 0.34
- e) 0.39
- f) 0.41
- g) 0.44
- h) 0.57
- i) 0.48
- j) Other _____
2.iii
Suppose that X does not exceed 10. What is then the probability that X is at least 7 but not more than 10? (Hint: there is this formula friend...it is always there for us—not only for use with the never fail method.) (2 decimal accuracy.)
- a) Some Work
- b) 0.00
- c) 0.39
- d) 0.44
- e) 0.48
- f) 0.58
- g) 0.77
- h) 0.82
- i) Other _____
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