deana's deli has a mean delivery time of 23 minutes with a standard deviation of 2 minutes. determine the z-score for the number of sandwiches delivered in less than 24 minutes.

a. −0.5
b. 0.5
c. 11.5
d. 12

Z – score = 0.5

Step-by-step explanation:

Mean delivery time, μ = 23 minutes

Standard deviation, σ= 2 minutes

Given x = 24 minutes

Now, find the z-score for the number of sandwiches delivered in less than 24 minutes.

Using the formula,

Z – score =

⇒ Z – score =

⇒ Z – score = 0.5

Therefore, 0.5 is the z-score for the number of sandwiches delivered in less than 24 minutes.

answer: there are x+184 pages in olivia's book.

step-by-step explanation:

let the total number of pages in the book which olive has already read be x.

then if olive has 184 pages left to read, then the total number of pages are in olive's book= pages she has read+pages she has left to read

therefore, the total number of pages in olivia's book=

hence, there are x+184 pages in olivia's book.

nswer: a   y-axis

step-by-step explanation: