Its easier to find the complement of that instead
so you find the probability of 1 and 0
The .2 in the answer is the probability of each question 1/5
(10 C 0) x .2^0 (1-.2)^10-0=.1074
(10 C 1) x .2^1 (1-.2)^10-1=.2684
.2684+.1074=.3758 and that's the complement
so 1 - .3758= .6242
I too have a stats exam on this tomorrow lol
Answer:
BC= 23.0km (nearest tenth)
Step-by-step explanation:
Please see the attached picture for full solution.
Answer:
D. A sequence with 5 terms that starts with 3 and has a common ratio of 2
Answer:
Step-by-step explanation:
a=-7
r=21/-7=-3

Answer:
16
Step-by-step explanation:
6.8
+9.2
______
16
Hope I helped!