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Let α ∈ [0, 1] be an arbitrary number, rational or irrational. The only randomizing device is an unfair coin, with probability p ∈ (0, 1) of heads. Design a game between Alice and Bob so that Alice's winning probability is exactly α. The game of course has to end in a finite number of tosses with probability 1.
Is global F ratio significant? Identify this F ratio, and describe whether it is important.Is coefficient for X1 (productivity) significant? How do you know? Mention its t value and accompanying P-value.
assume that the mean score on a certain aptitude test across the nation is 100 and that the standard deviation is 20
Assuming that each random sample size was 50, carry out a test to determine if there is a significant difference in mean fumonisin level for the two types
A firm interviews 8 candidates for 4 jobs. Four of the candidates are women and four of the candidates are men.
Use RNG in Excel to generate n = 5 observations from the Normal distribution N(20, 5). Test H0: μ = 20 versus H0: μ ≠ 20 at the α = 0.05 level of significance. Repeat this process 100 times and then count the number of times that you reject H0.
(a) Write the raw-score regression equation for predicting Y from X. (b) John and Will score 485 and 710, respectively, on the aptitude test.
A psychologist has designed a questionnaire to measure individuals' aggressiveness. Suppose that the scores on the questionnaire are normally distributed.
What is descriptive statistics? Give examples of descriptive statistics?
A machine is designed to produce ball bearings having a mean diameter of 0.574 centimeter with a standard deviation of 0.008 centimeter. To determine whether the machine is in proper working order, a sample of six ball bearings is taken every..
For reservation purposes, the agency's management wants to ?nd the number of people such that the probability is 0.85 that at least that many people will sign up. It also needs 0.80 probability bounds on the number of people who will sign up for t..
You have the choice of investing a sum of money in four alternative schemes: one which will pay 10 per cent per annum interest compounded daily.
Would this outcome warrant a replacement cup (meaning that it would be unusual)?
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