How much sleep do high school students at Alain LeRoy Locke get on a typical school night? An interested student designed a survey to find out. To make data
collection easier, the student surveyed the first 100 students to arrive at school
on a particular morning. These students reported an average of 7.2 hours of
sleep on the previous night. What kind of sampling is this? How can it lead to
bias? Is 7.2 a low or high estimate than the true average amount of sleep? Answer
ALL the questions. *

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

Find the nonpermissible replacement for binthis expression.b2/5b +5

Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers