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Biology final exam scores are normally distributed with a mean score of 78 and a standard deviation of 5. Find the 95th percentile.
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6.2% of dvd of a certain type are defective.let the random variable x represent the number of defective dvd players among 200 randomly selected dvd of this type suppose u have to find the probability x is less than 8 which distribution does this have
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Please help me with the attached 5 questions.
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In the case of Caseneda v. Partida, it was found that during a period of 11years in Hidalgo Country, Texas, 870 people were selected for grand jury duty and 39% of them were Mexican-American. Among the people eligible for grand jury duty, 79.1% were Mexican-American. Use 0.01 significance level...
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Suppose you conduct a test, and your p-value=0.002. What can you conclude? A. Reject Ho at alpha=0.05 but not at alpha=0.10 B. Reject Ho at alpha=0.05 but not at alpha=0.01 C. Reject Ho at alpha=0.10 but not at alpha=0.05 D. Reject Ho at alpha=0.01 but not at alpha=0.05 E....
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In own town, 78% of adults have health insurance. What is the probability that 8 adults selected at random from the town all have health insurance?
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group of businesswomen wish to open a high fashion boutique in a vacant store but only if the average income in the area is at least $45,000. A random sample of 10 households showed the following results for income: $48000, $52000, $42000, $38000, $44000, $37000, $44000, $46000, $49000, $40000...
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Find the mean, median, and range for each of the two data sets.Find the mean, median, and range for each of the two data sets. b. Find the standard deviation using the rule of thumb for each of the data sets. c. Compare the two sets and describe what you discover. The following data...
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Find the mean, median, and range for each of the two data sets. b. Find the standard deviation using the rule of thumb for each of the data sets. c. Compare the two sets and describe what you discover. The following data sets shows the ages of the first seven presidents...
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I need the following answered. 1. The distribution represents the data for weights of fourth grade boys. Find the approximate weight corresponding to the 60th percentile by constructing a percentile graph. Weight (pounds) Frequency 52.5-55.5 7 55.5-58.5 14...
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