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(i) Define the parameter of interest in the context of the problem
(ii) State the alternative hypothesis.
(iii) State the distribution used to calculate the P-value (not the formula, but the distribution, eg. t distribution). There is no need to calculate the P-value. If the distribution involves degrees of freedom (such as t-distribution), you must also provide the value of the degrees of freedom.
A soil scientist is interested in studying if the soil for a certain field is acidic (pH level less than 7 is acidic; pH level of 7 is neutral). Acidic soil is not suitable for certain crops. The scientist is going to examine a random sample of soil samples and measure their pH levels. The scientist knows it is reasonable to assume that the pH levels of all the possible soil samples that might drawn are Normally distributed. She takes five randomly selected samples of soil from the field and measures the pH level in these samples.
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
LINEAR PROGRAMMING MODELS
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