What should you do if in the REVIEW phase of problem solving, you find the answer doesn't make sense? If you're right I will give you brainliest

I would recheck the answer

Step-by-step explanation:

there is my opinion :)

0.16 or 16%

step-by-step explanation:

lets take a coin for example.

if you toss it twice, it has a 1/4 chance of landing on heads both times because 1/2 * 1/2 is 1/4.

with the cards, the chance of picking dog is 0.4. having two people pick one is like picking a card twice in a row. so 0.4 * 0.4 is 0.16, or 16%

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify