1. a number is chosen at random from 1 to 25. find the probability of not selecting a prime number.

64%

Step-by-step explanation:

1. Nine prime numbers between 1 and 25.

2. 25-9 = 16

3. Sixteen non-prime numbers between 1 and 25.

4. 16/25 = 0.64 = 64%

Hope this helps!

if a = 1,   and b = 2, then the answer is 47.99999999. if you round that to the nearest whole number, the answer is 48.

no association

step-by-step explanation:

if you have eyes and you can use them efficiently you can see that it just looks like random dots like do a line of best fit and like they're so spread out it's such a weak association you might as well consider it nonexistent