Fifty measurements are taken of the octane rating for a particular type of gasoline. The sample mean rating (in percent) was 85.8 and the sample standard deviation was 1.2. What is our estimate of the mean.

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.

1. d.90

2. e. none of these (80)

3. a. 0

4. b. 6

5. e. none of these (10)

6. a. 5

answer: 8

step-by-step explanation:

i would need to see the shape

step-by-step explanation: