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Alan, while snooping around his grandmother's basement stumbled upon a shiny object protruding from under a stack of boxes . When he reached for the object a genie miraculously materialized and stated: "You have found my magic coin. If you flip this coin an infinite number of times you will notice that heads will show 60% of the time." Soon after the genie's declaration he vanished, never to be seen again. Alan, excited about his new magical discovery, approached his friend Ken and told him about what he had found. Ken was skeptical of his friend's story, however, he told Alan to flip the coin 100 times and to record how many flips resulted with heads.
(a) What is the probability that Alan will be able convince Ken that his coin has special powers by finding a p value below 0.05 (one tailed).
(b) If Ken told Alan to flip the coin only 20 times, what is the probability that Alan will not be able to convince Ken (by failing to reject the null hypothesis at the 0.05 level)?
Find the probability that a randomly selected student spends between eighty and ninety percent of the time on the test. Find the expected value of X. E(X)
What four steps should be used in evaluating expressions? Could these steps be skipped or rearranged? Explain your answersr.
A probability value of .25 means that an event will occur:
Vote against a proposed pay increase. 320 would vote FOR while 1280 would vote against the proposal. Construct a 95.44% confidence interval for the proportion voting against the proposal.
Moving until all the nodes 1,2,......,m have been visited at least once. Starting at node 0, find the probability that node i is the last node visited, i=1,.....m.
Repetitions of numbers are not permitted, i.e., the same number cannot be used more than once in a total sequence. As examples, 27, 94 or 55 would not be permitted. How many different code groups can be designed?
Solve for the following items: The point on the x-axis that is equidistant (equal distance)from (10,4) and (6,2).
Basic Biostatistics is a concise, introductory text that covers biostatistical principles and focuses on the common types of data encountered in public health and biomedical fields.
a teacher is interested in comparing the effects of three different types of rehearsal methods rote rehearsal imagery
Digital camcorder repair service has set the goal not to exceed average of 5 working days from time unit is brought in to time repairs are completed. Compute the t-value.
What is the porbability that less than 20 programmers have had experience in computer programming before being hired.
If an analysis of variance is used for the following data, what would be the effect of changing the value of M1 to 20?
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