It is estimated that 20% of the members of a health club have high blood pressure. if 300 members of a club are randomly selected, about how many of them can be expected to have high blood pressure? what is the standard deviation?

60

Step-by-step explanation:

1) take 20% and divide it by 100, 0.2

2) 0.2 x 300 = 60

step-by-step explanation:

try remembering the steps

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing im pretty sure that is the right answer

step-by-step explanation: