Answer: Our required probability is 0.618.
Step-by-step explanation:
Since we have given that
Probability of all drivers were involved in a car accident last year = 66%
Number of drivers = 10
Number of drivers involved in a car accident = 3
So, probability of drivers involved in car accident is given by
Probability of getting 3 or more who were involved in a car accident is given by
P(X≥3)=1-P(X=0)-P(X=1)-P(X=2)
Here,
So, our equation becomes
P(X≥3)=1-P(X=0)-P(X=1)-P(X=2)
Hence, our required probability is 0.618.
Answer:
Volume is 3.05m³
Step-by-step explanation:
This problem bothers on the mensuration of solid shapes, sphere
Step one
The formula for the volume of a sphere is expressed as
V=4/3πr³
Step two
Given data
Diameter d = 1.8m
Radius r = d/2= 1.8/2= 0.9m
Step three
Substituting our given data we have
V= 4/3*3.142*0.9³
V= 4/3*3.142*0.729
V= 9.162/3
V=3.05m³
9514 1404 393
Answer:
23
Step-by-step explanation:
Let J represent Jiri's age. Then Pamela's age is 2J and the sum of their ages is ...
J + 2J = 69
3J = 69 . . . . .collect terms
J = 23 . . . . . . divide by 3
Jiri's age is 23.
Answer:
Step-by-step explanation:
He collected a total of 225 stamps. If 88% of the stamps he collected were foreign, how many other stamps did he collect?
