ECO253
Question: The component Bernoulli variables Xi are _____ and Independent
Answer: Identical
Question: The assumptions for Student’s test do not include ______
Answer: The population standard deviation is known
Question: f-test is also known as ________
Answer: ANOVA
Question: If x: 1 2 3 4 5 and y:2 5 8 11 14, this relationship can be expressed as what?
Answer: y = 2+3x
Question: What is the probability of getting heads in a two coins flip?
Answer: 0.75
Question: Given a normal distribution with mean of 230 and standard deviation of 20, find the probability that an observation from this population is less than 220
Answer: 0.3085
Question: A run is a succession of _____ letters which is preceded and followed by different letters or no letters at all
Answer: Identical
Question: The total area under the curve and above the horizontal axis is equal to _____
Answer: 1\’
Question: A coin is tossed thrice, so what is the probability of getting at least one tail?
Answer: 0.875
Question: A typical regression model is specified in form of_______
Answer: Y = a + bX + e
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