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1. The reaction times of 150 randomly selected drivers were foun4 to have a mean of .83 sec and standard deviation of .20 sec. Find a 95 confidence interval for the mean reaction time of the whole population of drivers.
2. From a very large class in statistics, the following 40 marks were randomly selected:
71 74 65 72 64 42 62 62 58 82
49 83 58 65 68 60 76 86 74 53
78 64 55 87 56 50 71 58 57 75
58 86 64 56 45 73 54 86 70 73 Construct a 95% confidence interval for the average mark of the whole class.
MATH1550H: Assignment: Question: A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..
MATH1550H: Assignment: Question: what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?
MATH1550H: Assignment: Question: Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form
MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?
MATH1550H: Assignment: Questions: Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.
Caselet on McDonald’s vs. Burger King - Waiting time
Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.
Problems on Sampling Variability and Standard Error and Confidence Intervals
Estimate the population mean
Conduct a marketing experiment in which students are to taste one of two different brands of soft drink
Find out the probability
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