The gallup poll interviews 1600 people. of these, 18% say that they jog regularly. the news report adds: "the poll had a margin of error of plus or minus three percentage points." you can safely conclude that a. 95% of all gallup poll samples like this one give answers within ±3% of the true population value. b. the percent of the population who jog is certain to be between 15% and 21%. c. 95% of the population jog between 15% and 21% of the time. d. we can be 3% confident that the sample result is true. e. if gallup took many samples, 95% of them would find that exactly 18% of the people in the sample jog.

3: 2

step-by-step explanation:

shorter piece is 2: 3, so just reverse it, and you get 3: 2

answer: the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

the given rate of interest i= 85%

in calculating the monthly payment for a loan with an interest rate compounded monthly, the value of the interest rate per period we use in the formula must be in decimal form.

to convert it in decimal, we divide it by 100, we get

hence, the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.