Suppose 300 nursing students took a certification test that is worth 100 points.

The five-number summary for the scores is shown here:

Minimum = 40; Q1 = 65; Median = 82; Q3 = 88; Maximum = 100

About how many students scored 65 or better?
About how many students scored 88 or better?

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain