A meteorologist who sampled 6 thunderstorms found that the average speed at which they traveled across a certain state was 18 mph. The standard deviation of the sample was 2.7 mph. Round the final answers to at least two decimal places. find the 80% confidence interval of the mean. assume the variable is normally distributed

answer: d. $20

step-by-step explanation:

just took the test

exa:

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3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.