A food truck near the University of Windsor specializes in healthy sandwiches. The sandwiches are prepared fresh each morning and any unsold sandwiches are donated to a food bank. Each sandwich costs $6 to make and sells for $10. The daily number of sandwiches sold, x, has the following distribution: (shown in image) a. Fill in the missing probability in the table above b. What is the expected daily profit? (hint: find the mean of x and multiply it by profit per sandwich) c. Find the mean, variance and standard deviation of the number of daily number of sandwiches sold.

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 A food truck near the University of Windsor specializes in healthy sandwiches. The sandwiches are prepared fresh each morning and any unsold sandwiches are donated to a food bank. Each sandwich costs $6 to make and sells for $10. The daily number of sandwiches sold, x, has the following distribution: (shown in image)

a. Fill in the missing probability in the table above

b. What is the expected daily profit? (hint: find the mean of x and multiply it by profit per sandwich)

c. Find the mean, variance and standard deviation of the number of daily number of sandwiches sold.

d. What is P(x  2| x < 4)?

0 1
P(x) | 0.10 | 0.25 | ?
2
3
4
0.20 0.15
Transcribed Image Text:0 1 P(x) | 0.10 | 0.25 | ? 2 3 4 0.20 0.15
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