Mathematics, 22.03.2020 02:25 major126
1. (10 marks) A study of the home purchasing habits of Canadians in show homes found the following interesting facts. The probability that a person would buy a house follows a binomial distribution and that the probability that a person would buy a house was 13%. Suppose that 9 people walk into a show home that day.
a) What is the probability that one house is sold that day?
b) What is the probability that at least one house is sold that day?
c) Calculate the mean and standard deviation for the number of houses that will be bought that day?
d) Knowing that the probability of a person purchasing a house follows a binomial distribution, what could be done to increase the number of houses sold?
2. (10 marks) From past records, the number of people visiting the emergency room at a hospital follows a Poisson distribution. It is known that on average 2.2 people visit per hour.
a) What is the probability that exactly one person shows up during a 1-hour period?
b) What is the probability that at most 2 people will show up during a 1-hour period?
c) If nothing changes, what would be the mean and standard deviation of the number of people visiting the emergency room in an 8-hour time period?
Answers: 3
Mathematics, 21.06.2019 21:00
The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.
Answers: 1
Mathematics, 21.06.2019 21:30
Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?
Answers: 1
1. (10 marks) A study of the home purchasing habits of Canadians in show homes found the following i...
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