10. 8. A survey determines that six out of every ten Niceville residents shop at Walmart. In a group of 15randomly selected Nicevillians, find the probability that at least thirteen of them shop at Walmart.9. A medical journal reports that the likelihood of having a headache during any single week is 0.035.Find the probability of having at least one headache during a year (52 weeks).10. The average number of minutes per week that teenagers spend reading books is 170.0. Assume thestandard deviation is 52.5 minutes. A random sample of 64 teenagers is taken. Find the probabilitythat the mean number of minutes teenagers in this sample spend reading books is between 165.0 and175.0.11. A random sample of 30 four-member families visiting Disneyworld was selected, and the averageamount spent by these families on their Disneyworld visit was $825.75. The population standarddeviation is $98.25. Find the 90% confidence interval for the true population mean. Express theinterval endpoints to the nearest cent.

Name: 10. 8. A survey determines that six out of every ten Niceville residen
Uploaded: 2024-03-20T06:46:03.000Z
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Description: 10. 8. A survey determines that six out of every ten Niceville residents shop at Walmart. In a group of 15randomly selected Nicevillians, find the probability that at least thirteen of them shop at Walmart.9. A medical journal reports that the likeli