You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p' = 22 %. You would like to be 99% confident that your esimate is within 1.5% of the true
population proportion. How large of a sample size is required?
n =
Do not round mid-calculation. However, use a critical value accurate to three decimal places.

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Julie multiplies 6.27 by 7 and claims the product is 438.9 .explain without multiplying how you know juliesanswer is not correct.find the correct answer

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay