Igloo Ices recently introduced a new snack product to its customers, the Polar Ice cream sandwich. The number of sandwiches sold over the last 5 days is described by the following probability distribution. Number of sandwiches, x Probability, P(x) 15 0.25 20 35 25 30 0.15 0.12 0.08 (a) What is the probability that 20 sandwiches were sold. (b) Calculate the expected number of sandwiched to be sold. (c) Calculate the standard deviation for the number of sandwiches sold.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
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Igloo Ices recently introduced a new snack product to its customers, the Polar Ice cream sandwich. The
number of sandwiches sold over the last 5 days is described by the following probability distribution.
Number of sandwiches, x
Probability, P(x)
15
0.25
20
25 30 35
0.15 0.12 0.08
(a) What is the probability that 20 sandwiches were sold.
(b) Calculate the expected number of sandwiched to be sold.
(c) Calculate the standard deviation for the number of sandwiches sold.
Transcribed Image Text:Igloo Ices recently introduced a new snack product to its customers, the Polar Ice cream sandwich. The number of sandwiches sold over the last 5 days is described by the following probability distribution. Number of sandwiches, x Probability, P(x) 15 0.25 20 25 30 35 0.15 0.12 0.08 (a) What is the probability that 20 sandwiches were sold. (b) Calculate the expected number of sandwiched to be sold. (c) Calculate the standard deviation for the number of sandwiches sold.
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