Answer:
k > 13 OR K < 4
Step-by-step explanation:
-1 plus 14 is 13
19 minus 15 is 4
Answer: about 0.0027
Step-by-step explanation:
8 / 3000
I think it the second one no the 3 one you chose !
Answer:
Probability of getting at least 9 out of 18 correctly is 0.0043
Step-by-step explanation:
We have
n = 18
p = 1/5 for correct answer
q = 4/5 for wrong answer
P( 9 X 18) = 1 - P(0 X 8)
= 1 - 0.9957
=0.0043
Answer:
Step-by-step explanation:
A perfect square is an integer that is the square of another integer.
49 = 7*7 / 7 squared
9 = 3*3 / 3 squared
225 = 15*15 / 15 squared