The Northwest Pacific Phone Company wishes to estimate the average number of minutes its customers spend on long-distance call per month. The company wants the estimate made with 99% confidence and a margin of error of no more than 5 minutes.

A) A previous study indicated that the standard deviation for long-distance calls is 21 minutes per month. What should the sample size be?
B) Determine the required sample size if the confidence level were changed from 99% to 90%.
C) What would the required sample size be if the confidence level was 95% and the margin of error was 8 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.

50-38=12

step-by-step explanation:

the correct answer is a) they believe they have a "just cause."

islamic terrorists justify their violent actions because they believe they have a "just cause."

every act of terrorism of islamic sects is done “in the name of allah”. that justifies their actions. islam people who commit those terrorist attacks are not afraid to die. that is why the attacks have horrible consequences. they know they are going to die and they are proud to do it because it is in the name of allah, so it is justified and is for a “good cause.”

since the very beginning of the conflict with israel, islam is fighting a “sacred war”, respecting the words stated in the qur’an. they fight against the domination of the western countries and to defend their occupied territories.