Calculus and Above

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A fair coin is tossed four times, and the sequence of heads
A fair coin is tossed four times, and the sequence of heads and tails is observed.(a) List each of the 16 sequences in the sample space S.(b) Let events A, B, C,and D be given by A ={at least 3 heads}… read more
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The distribution of the IQ (Intelligence Quotient) is
The distribution of the IQ (Intelligence Quotient) is approximately normal in shape with a mean of 100 and a standard deviation of 15. According to the standard deviation rule, only 0.15% of people ha… read more
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Stats/probability question. Problem Four. A box contains 10
stats/probability question. Problem Four. A box contains 10 coins where 5 coins are two-headed, 3 coins are two-tailed, and 2 are fair coins (head and tail with 50% of each). A coin is chosen at rando… read more
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A 0.1 significance level is used for a hypothesis test of
A 0.1 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender​ selection, the proportion of baby girls is different from 0.5. Assume that samp… read more
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1. A coin is tossed and a die is rolled. What is the
1. A coin is tossed and a die is rolled. What is the probability that the coin lands on tails and the die lands on a number greater than four?2. A bowl contains six blue marbles, five red marbles, and… read more
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1. Consider an experiment that results in a positive outcome
1. Consider an experiment that results in a positive outcome with probability 0.38 and a negative outcome with probability 0.62. Create a new experiment consisting of repeating the original experiment… read more
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1. If A and are independent events with P(A) = 0.4 and P()
1. If A and B are independent events with P(A) = 0.4 and P(B) = 0.6, then P(A l B) = • 0.76 • 1.00 • 0.24 • 0.2 • None of the above 2. If A and B are independent events with P(A) = 0.2 and P(B) = 0.6,… read more
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1. The cashier service time at the local branch of the Rivertown
1. The cashier service time at the local branch of the Rivertown bank has an exponential distribution with a mean of 2.5 minutes. What is the probability that the service time: Is between 2 and 4 minu… read more
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Based on historical data, an Oregon university enrolls 17%
Based on historical data, an Oregon university enrolls 17% graduates and 83% undergraduates. Of graduates, 21% are expected to be non-residents and 79% are residents. Of undergraduates, 24% are non-re… read more
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Question 1 1. Seven slips of paper marked with the numbers
Question 1 1. Seven slips of paper marked with the numbers 1, 2, 3, 4, 5, 6, and 7 are placed in a box and mixed well. Two are drawn. What are the odds that the sum of the numbers on the two selected … read more
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Multiple Choice. Solve the problem. Highlight or circle the
Multiple Choice. Solve the problem. Highlight or circle the correct answer. 1) The manager of a small retail store counted the number of sales each hour during a 60-hour week. The frequency distributi… read more
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Hi Steve, I only have 1 hour to do this one. Thanks a lot! Question
Hi Steve, I only have 1 hour to do this one. Thanks a lot! Question 1 There are 10 workers and 2 administrators in a company meeting room. Two people will be selected at random without replacement. Th… read more
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1. If Z is a standard normal variable, what is the probability
1. If Z is a standard normal variable, what is the probability that Z lies between -0.55 and 0.55? (Points : 7) 0.9000 0.4176 -0.9000 -0.4176 2. If Z is a standard normal variable, what is the probabi… read more
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In a normal distribution, what is the z score: a. above which
In a normal distribution, what is the z score: a. above which the top 5% of cases fall? b. above which the top 1% of cases fall? c. below which the bottom 5% of the cases fall? d. below which the bott… read more
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how do i get answers to things already posted? http://www
how do i get answers to things already posted? http://www.justanswer.com/calculus-and-above/668dd-stats-questions-1-assume-sample-selected.html?txsid=16564309&opt=10&archiveid=10368481&viewquestion=69… read more
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A professor gave an exam and noted that the grades of her students
A professor gave an exam and noted that the grades of her students were normally distributed with a mean of 58 and a standard deviation of 10. before the exam, the professor told her students that 32%… read more
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Find the mean for the given sample data. Unless indicated otherwise,
Find the mean for the given sample data. Unless indicated otherwise, round your answer to one more decimal place than is present in the original data values. The students in Hugh Logan's math class to… read more
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Stats Questions,1. Assume a sample has been selected at
Stats Questions, 1. Assume a sample has been selected at random from a large population. Which of the following five statements is correct. A. The standard error equals the standard deviation of the s… read more
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