The accompanying

The accompanying table gives the probability distribution of the number of courses randomly selected student has registered
Number of courses 1 2 3 4 5 6 7
Probability 0.02 0.03 0.1 0.3 0.4 - 0.01 respectively.

a) Find the probability of a student registering for six courses.
b) What is the probability that a randomly selected student has registered for at least five courses?

Correct answer:

p1 =  0.4
p2 =  0.71

Step-by-step explanation:


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