In 100 tosses of a fair of coin, the expected or mean number of heads is
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A: The number of male students is 20 and the number of female students is 20.
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A: In probability and statistics, what is each repetition of an experiment called Trial.
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- 10. Ten percent of computer parts produced by a certain supplier are defective. What is the probability that a sample of 10 parts contains more than 3 defective ones?A. If 75% of high school students are able to pass a stats test, find the mean, variance, and standard deviation for the number of students who pass the test in a sample of 150 students. B. What is the probability that just you will not pass this test, if all 22 students take the test?5. A company has an inventory with a book value of $4,583,231, which includes 116 product lines and a total of 326,432 units. How many items compose this population for purposes of applying a probability-proportional-to-size sampling plan? Explain.
- A single fair eight-sided die is rolled. Find the probability of getting a 8 or 2. What is the total number of possible outcomes?An experiment consists of drawing 1 card from a standard 52-card deck. What is the probability of drawing a heartConstruct all random samples consisting two observations from the given data. You are asked to guess the average weight of the six watermelons by taking a random sample without replacement from the population. Watermelon A, B, C, D, E, and F has a weight (in pounds) 19,14,15,9,10 and 17 respectively.a. What is the probability of getting 10.00 as a mean?b. How many possible outcomes?c. What is the probability of getting 11.50 as a mean?d. What is the mean of the sampling distribution of the sample means?e. What is the population mean?
- About 4% of the population has a particular genetic mutation. 600 people are randomly selected. Find the mean for the number of people with the genetic mutation in such groups of 600. Submit Question acerWhen studying radioactive material, a nuclear engineer found that over 365 days, 1,000,000 radioactive atoms decayed to 979,748 radioactive atoms, so 20,252 atoms decayed during 365 days. a. Find the mean number of radioactive atoms that decayed in a day. b. Find the probability that on a given day, 52 radioactive atoms decayed.Twelve doctors work at a clinic, of which 3 were trained at Harvard Medical School. Four doctors are randomly selected from the 12 clinic doctors to attend a special conference. A. What is the probability that at least one of the doctors going to the conference is a Harvard Medical graduate? B. Find the standard deviation for the number of doctors out of the 4 that were trained at Harvard Medical School.
- A manufacturing plant knows that in reality 80% of products made are perfect. An inspector selects four products at random. What is the mean number of perfect products in any sample of 4? It can be assumed that each product is independent of the others.12). What is a percentile? In probability notation, how would you find the 85th percentile?