Answer:
R= q+c over 5y
Step-by-step explanation: Good luck sweetie!!
Answer:
2/3 chances of the coin landing on a positive #, since there are more odd # then even #.
Step-by-step explanation:
Answer:3.6364
Step-by-step explanation:
Because the 0 isn’t worth nothing & so the 4 stays the same
Answer:
a) E(X)=1
b) σ=1
c) P(X>1)=0.368
d) P(2<X<5)=0.128
Step-by-step explanation:
We have X: "the time between two successive arrivals at the drive-up window of a local bank", exponentially distributed with λ = 1.
a) We have to compute the expected time between two successive arrivals.
The expected value for X as it is exponentially distributed is:

b) We have to compute the standard deviation of X.
The standard deviation is calculated as:

c) The probability that X is larger than 1 (P(X>1))
We can express the probability as:

d) The probability that X is between 2 and 5 (P(2<X<5))

X=80, y=140,z=20
I hope it helps