A local elementary school holds four events annually. The probability distribution of the number of events attended by a student, based on past records, is given in the table below. Number of events 1 3 attended Probability 44 .31 .12 .05 Determine the expected number of events attended by a student. O A) 1.5 O B) 1.62 O C) 2 O D) 2.5
A local elementary school holds four events annually. The probability distribution of the number of events attended by a student, based on past records, is given in the table below. Number of events 1 3 attended Probability 44 .31 .12 .05 Determine the expected number of events attended by a student. O A) 1.5 O B) 1.62 O C) 2 O D) 2.5
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Transcribed Image Text:A local elementary school holds four events annually. The probability distribution of the number of events attended by a student, based on past records, is given in the table below.
Number of
events
3
4
attended
Probability
.44
.31
.12
.05
Determine the expected number of events attended by a student.
O A) 1.5
OB) 1.62
O C) 2
O D) 2.5
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