If b was 3 a will be 6 because 2*3=6
and for the second part b will be 3.5 because 2*3.5=7
If a random sample of 20 persons weighed 3,460, the sample mean x-bar would be 3460/20 = 173 pounds.
The z-score for 173 pounds is given by:

Referring to a standard normal distribution table, and using z = 0.66, we find:

Therefore

The answer is: 0.2546
-7 is losing the fewest as it is the smallest number, and the number that is to the left of the number line.
Answer:
1
Step-by-step explanation:
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