An environmentalist wants to find out the fraction of oil tankers that have spills each month. Step 1 of 2 : Suppose a sample of 779 tankers is drawn. Of these ships, 600 did not have spills. Using the data, estimate the proportion of oil tankers that had spills. Enter your answer as a fraction or a decimal number rounded to three decimal places.

The estimation for the proportion of oil tankers that had spills is 0.23.

Step-by-step explanation:

The estiamate of the proportion of oil tankers that had spills is the number of oil tankers in the sample with spills divided by the total number of oil tankers.

In this problem, we have that:

779 tankers in the sample.

600 without spills, and 779 - 600 = 179 with spills

179/779 = 0.23

The estimation for the proportion of oil tankers that had spills is 0.23.

answer is c

step-by-step explanation:

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

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