If you toss a coin (assume p = 0.5) and repeat this experiment 100 times, What is the probability of getting tails 37 times? What is the expected value (the mean or average)?
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Q: Based on historical data, your manager believes that 37% of the company's orders come from…
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- If you toss a coin (assume p = 0.5) and repeat this experiment 100 times, What is the
probability of getting tails 37 times? What is theexpected value (themean or average)?
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- Based on historical data, your manager believes that 34% of the company's orders come from first-time customers. A random sample of 197 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is less than 0.29?Based on historical data, your manager believes that 27% of the company's orders come from first-time customers. A random sample of 188 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is between 0.2 and 0.5?Based on historical data, your manager believes that 35% of the company's orders come from first-time customers. A random sample of 175 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is between 0.21 and 0.39?
- You have conducted a series of experiments to reduce the proportion of scrapped battery cells to 1% in your manufacturing plant. What is the probability of testing 51 cells without finding a defect until the last cell? What probability distribution did you employ in reaching the answer?Charles is reviewing the midterm grades of all seventh graders at a middle school. Thus far, 10.3% of the grades reviewed are failing. If Charles takes 10 midterm grades, what is the probability that at most two grades will be failing? Round your answer to 3 decimal places.Based on historical data, your manager believes that 34% of the company's orders come from first-time customers. A random sample of 168 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is between 0.29 and 0.49?
- 62% of adults in a population have an HDTV in their home. You randomly select 45 adults and ask them if they have an HDTV in their home. What is the probability that at most 20 of them respond yes? Use binomial distribution and normal distribution approximation. Compare your results.If you roll a 10 sided die until you get a 1, what would be the expected value and variance of the resulting probability distribution?In the winter, guests who visit Yosemite National Park like to stay at an overnight lodge in the park 71 % of the time. Find the probability that among 11 guests surveyed exactly 3 guests like to stay at an overnight lodge in the park. P(x = 3) =
- Based on historical data, your manager believes that 39% of the company's orders come from first-time customers. A random sample of 212 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is between 0.22 and 0.42?Dr. Verde conducted an experiment in which she randomly assigned each subject a colored pencil and then asked them to choose their favorite color. Her results showed that neither the distribution of the assigned pencil colors or the subjects' preferred colors conformed to their expected theoretical probability values. If she repeats the experiment with a much larger sample, how would you expect her results to change and why? Answer in complete sentences. UPLOADBased on historical data, your manager believes that 25% of the company's orders come from first-time customers. A random sample of 133 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is less than 0.32?Answer = (Enter your answer as a number accurate to 4 decimal places.)
