Find probability with standard deviation

    • [DOC File]Calculating Probability

      https://info.5y1.org/find-probability-with-standard-deviation_1_bf69b3.html

      Probability mass function. Mean, variance and standard deviation-----Binomial Distribution. The binomial distribution is a useful distribution to describe the quantities such as number of males in a class of 60 people, and number of heads by tossing a coin 3 times, number of …

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    • [DOC File]Using The TI-83 to Construct a Discrete Probability ...

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      To leave the discrete probability distribution, press 2nd QUIT. To find the mean (expected value) and standard deviation, press the STAT key, highlight CALC using the arrow keys and then select the 1-VAR STATS option (#1). Then enter L1, L2. Remember L1 is x and L2 is P(x). Press ENTER to view the descriptive statistics.

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    • [DOC File]Z-Score Practice Worksheet

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      A normal distribution of scores has a standard deviation of 10. Find the z-scores corresponding to each of the following values: A score that is 20 points above the mean. z=2. A score that is 10 points below the mean. z=-1. A score that is 15 points above the mean z=1.5. A …

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    • [DOC File]1

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      1. The long-distance calls made by the employees of a company are normally distributed with a mean of 6.3 minutes and a standard deviation of 2.2 minutes. Find the probability that a call . Lasts between 5 and 10 minutes. ANSWER: There is a 67.59% chance that a call will last between 5 and 10 minutes. Lasts more than 7 minutes

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    • [DOC File]Binomial Probability Worksheet II

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      Binomial Probability Worksheet II. Given the number of trials and the probability of success, find the mean, standard deviation, and the probability of:

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