The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 48 who smoke. Step 1 of 2: Suppose a sample of 271 Americans over 48 is drawn. Of these people, 220 don't smoke. Using the data, estimate the proportion of Americans over 48 who smoke. Enter your answer as a fraction or a decimal number rounded to three decimal places.

0.188

Step-by-step explanation:

The computation is shown below;

First we have to determine the no of smokers

= Total no of persons - number of non-smokers

= 271 - 220

= 51

Now we have to estimate the proportion

So for this

= 51 ÷ 271

= 0.188192

= 0.188

Hence, the estimation is 0.188

The same is to be considered

x > 1.3

step by step:

8.5−0.9x> 9.8−1.9x

step 1: simplify both sides of the inequality.

−0.9x+8.5> −1.9x+9.8

step 2: add 1.9x to both sides.

−0.9x+8.5+1.9x> −1.9x+9.8+1.9x

1x+8.5> 9.8

step 3: subtract 8.5 from both sides.

1x+8.5−8.5> 9.8−8.5

1x> 1.3

step 4: divide both sides by 1.

1x/1 > 1.3/1

i found two solutions,   n = 2 • ± √3 = ± 3.4641

step-by-step explanation: