Random sample probability calculator
[DOC File]Apache2 Ubuntu Default Page: It works
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The probability that all three people have different birthdays is . The probability that at least two people have same birthday is. Conditional probability. A conditional probability is a probability whose sample space has been limited to only those outcomes that fulfill a certain condition. A conditional probability of an event A, given event B is
[DOCX File]IB Questionbank Test
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A random sample was taken. The results are shown in the following table. ... Use your graphic display calculator to calculate the probability that a randomly chosen tree will have a height greater than . d. The probability that a particular tree is less than metres high is . Find the value of .
[DOC File]Math 227 Statistics
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Find the probability that in a random sample of 13 Americans, the number who will say they have gained “a lot” of weights in the past five year is at most 2. (8 points) Two fair dice are rolled. Find the probability that the sum is 8 or 11. Find the probability that the sum is 6, given that one of the dice shows an odd number. (12 pts: 4 ea.)
[DOC File]Topic 18: The Central Limit Theorem
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With a random sample of 500 households, determine the probability that the sample mean would fall within + $18.39 of the population mean $850 (ie. between $831.61 and $868.39). Show calculations done and/or commands entered on your calculator. Repeat (c) for the probability that the sample mean would fall within +$21.91 of $850.
[DOC File]MAT 211 - Final
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The probability that you will answer exactly 4 correct is B(24, 0.2, 4) = 0.196. At least 20 correct = 20 correct + 21 correct + 22 correct + 23 correct + 24 correct = . It is easy to use calculator with binomcdf as follows: At most three wrong: At most three correct: Example 5. A computer manufacturer tests a random sample of 28 computers.
[DOC File]#10
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state parks is less than 2000 acres. A random sample of five parks is selected, and . the number of acres is shown. 959 1187 493 6249 541. 4pt. (a) Use your calculator to find the sample mean and the sample standard deviation. 12pt. (b) At ( = 0.01, is there enough evidence to support the claim?
[DOC File]Using The TI-83 to Construct a Discrete Probability ...
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TI-83/84 Discrete Probability Distributions. You can use the TI-83/84 calculator to graph a discrete probability distribution as well as find the mean (expected value) and standard deviation of a discrete random variable. Example: The manager of the Elmwood Café has a staff of six wait-persons on weekend evening shifts.
[DOC File]STAT 103 Sample Questions for the Final Exam
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Accuracy (SE% = SD/sqrt[n]) is determined by sample size. Both states have the same sample size. See Chapter 20. 2. Los Angeles has about . 4. times as many registered voters as San Diego. A simple random sample of registered voters is taken in each city to estimate the percentage who will vote for school bonds. Other things being equal, a ...
[DOC File]Chapter 3: Describing Relationships (first spread)
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State: What is the probability that a random sample of 12 apples has a total weight less than 100 ounces? Plan: Let X = weight of a randomly selected apple. Then X1 = weight of first randomly selected apple, etc. We are interested in the total weight T = X1 + X2 + + X12. Our goal is to find P(T < 100).
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