Thursday
May 23, 2013

Posts by alley

Total # Posts: 137

Math
A local motel has 100 rooms. The occupancy rate for the winter months is 60%. Find the probability that in a given winter month more than 65 rooms will be rented. Use the normal distribution to approximate the binomial distribution.

Statistics and Probability
A survey shows that 25% of people listen to the radio daily. If a group of 125 people are surveyed, what is the probability that more than 40 people will have listened to the radio today?

Stats
Commuters were asked how many times a week they stop for coffee on their way to work. A survey found a mean of 3 times a week with a standard deviation of 0.55. What is the probability that in a group of 36 people they stop more than 3.2 times per week?

statistics
Shoppers were asked how much money they were going to spend today in the mall. The mean dollars was \$250 with a standard deviation of \$15. In a group of 64 people, what is the probability that they spent less than \$240?

statistics
Commuters were asked how many times a week they stop for coffee on their way to work. A survey found a mean of 3 times a week with a standard deviation of 0.55. What is the probability that in a group of 36 people they stop between 2.8 and 3.25 times per week?

language arts 2
in 1999,i went to disney world for vacation. what are the verbs in this sentence?

math
Determine the cost of painting the exterior walls and top of a cylindrical wheat silo that is 40 m high and 20 m in diameter. given that each litre of paint costs \$7.25 and covers 8 meter square.

physics
C. because thermal energy is not transferred into the enviroment.

geometry
In the accompanying diagram ab and cd are chord of the circle and intersect at e if ae=10 en=9 and ec =6 find de

Nothing to do with school
how do you file child support if the other parent is on ssi?

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