Answer:
It is binomial:
p= 0.75 = 75%
1-p = 0.25 = 25%
N = 10
k=7
"seven successes in 10 trials"
(10 choose 7) (0.75)^7 ( 0.25)^3 =
(10*9*8 / 3*2) * (0.75)^7 ( 0.25)^3 =
(5*3*8) (0.75)^7 ( 0.25)^3
120 (0.75)^7 ( 0.25)^3
= 0.25028228759765625
or just over 25%
Step-by-step explanation:
Answer:
Jill earned $22,500 more total income for the year.
Step-by-step explanation:
Answer: 14/3 miles
Step-by-step explanation: Miles divided by hours gives speed
1/3÷1/6 = 2 mph
Distance= speed × time
2 1/3 is 7/3 7/3×2 = 14/3
The base is 30.
Hopefully I got this correct, not 100%
Answer:
false
Step-by-step explanation: the answer is 20
