9 of 159 of 15 Questions Please help I need to pass

Question 9

A full tank contains 8.90 ft.3 of helium, enough to fill 30 balloons.

To calculate the amount of helium needed to fill 50 balloons, first determine the unit rate, which can be calculated as 308.90. Next, create an equation to represent the relationship between h, the volume of helium, and b, the number of balloons: _[blank 1]_. Finally, plug in 50 for b and solve. The amount of helium needed is _[blank 2]_.

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is

Ahighway between points a and b has been closed for repairs. an alternative route between there two locations is to travel between a and c and then from c to b what is the value of y and what is the total distance from a to c to b?

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.