SOLUTION: On some busy streets, diamond lanes are reserved for taxis, buses, and cars with three or more passengers. It is estimated that 20% of cars travelling in a certain diamond lane hav
Algebra.Com
Question 1205733: On some busy streets, diamond lanes are reserved for taxis, buses, and cars with three or more passengers. It is estimated that 20% of cars travelling in a certain diamond lane have fewer than three passengers.
a. Is the variable in the question discrete or random? Justify your answer.
If 60 cars that travel in a certain diamond lane are selected at random, find the probability that:
b. exactly 10 cars have less than 3 passengers.
c. fewer than 10 cars have less than 3 passengers.
(Hint: Check criteria for normal approximation.)
d. at least 15 cars have fewer than 3 passengers.
(Please help)
Answer by ikleyn(52803) (Show Source): You can put this solution on YOUR website!
.
This post is a duplicate.
The solutions are under these links
https://www.algebra.com/algebra/homework/Finance/Finance.faq.question.1205743.html
and
https://www.algebra.com/algebra/homework/Finance/Finance.faq.question.1205742.html
RELATED QUESTIONS
On some busy streets, diamond lanes are reserved for taxis, buses, and cars with three or (answered by ikleyn)
On some busy streets, diamond lanes are reserved for taxis, buses, and cars with three or (answered by ikleyn)
I want the solution for this question with complete steps. Please help me.
Question:... (answered by Theo)
new york city has received a federal grant of $100 million for improving public... (answered by mykasha)
A train carries 92 passengers altogether. Some cars carry 6 passengers and some cars... (answered by stanbon)
The problem is: A roller coaster carries 92 people altogether. Some of its cars carry 4 (answered by edjones)
Could you please help me with this problem I've tried to figured it put several times and (answered by Alan3354)
What am I supposed to do if a question is like this. A school bus with capacity for 42... (answered by nerdybill)
Mr Li travel by taxis or bus to work
Distance is 25 km and the speed of taxis is v km/hr
(answered by Alan3354)