Answer:
18
Step-by-step explanation:
s/3 - 4 = 2
18/3 = 6
6 - 4 = 2
s is 18
Answer:
60% of the professors are under 46 years old
Step-by-step explanation:
Lining them up in age, you can add a line where the cap is (46 years old)
28 28 34 38 44 45 ||| 48 54 56 61
So this means that 6 of the 10 professors are under 46 years old. 6/10 as a percentage is 60%
No, this is not normal
This is a binomial distribution. Use BINS to determine if this is binomial.
B - binary?
I - independent?
N - number of trials
S - probability of success
B - yes, 3 or not a 3
I - yes, past rolls do not impact future rolls
N - 20 trials
S - prob success 1/6
Use binompdf on your calculator to find out the probability. To access, 2nd —> vars —> binompdf
Binompdf(20 (trials), 1/6 (p), 11 (x)) = 8.97x10^-5
The probability to roll a 3 11 times is .0000897. The chances are very low, making this not normal.
*When dividing with a negative, the sign changes directions.
Answer:
15
Step-by-step explanation:
Angle 2 is 2x+10
angle 4 is 4x+80
and from the figure we can understand that when we add these 2 equations
We get
6x+ 90= 180
6x = 180 - 90= 90
6x= 90
x = 90 ÷ 6 = 15
answer = 15