The manager of a home improvement store wants to know the percent of residents in his own town who mow their own lawns. To find out, he selects a random sample of 100 customers and asks each one if he or she mows the lawn. Describe how under coverage might lead to bias in this study. Explain the likely direction of the bias.

d (5 x (-20)) * (100 x (0.7))

step-by-step explanation:

5÷1/100 * -.7 *-20

copy dot flip

5*100 * -.7 *-20

rearrange

5*-20   * 100 *-.7

-100   *-70

7000

the correct answer is 828.07

answer: for each 3 girls there is 2 boys . 3: 2

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3

step-by-step explanation:

divide 13.5 by 9 to get the scale factor. it equals 1.5

2 * 1.5 = 3