8:15 AM Thu 15 May www-awa.aleks.com How dial Redirect s abgo | u lu lam.kau.edu.... alyaqeensa.... playll the Ama Anty Je... 3) Alail asha ... desular Jos Initial Knowledge Check Question 7 Isabel is in charge of planning a reception for 3400 people. She is trying to decide which snacks to buy. She has asked a random sample of people who are coming to the reception what their favorite snack is. Here are the results. \begin{tabular}{|c|c|} \hline Favorite Snack & \begin{tabular}{c} Number of \\ People \end{tabular} \\ \hline Potato chips & 36 \\ \hline Pretzels & 24 \\ \hline Cookies & 57 \\ \hline Other & 63 \\ \hline \end{tabular} Based on the above sample, predict the number of the people at the reception whose favorite snack will be potato chips. Round your answer to the nearest whole number. Do not round any intermediate calculations. \( \square \) \( \square \) people
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Total sample size = 36 (Potato chips) + 24 (Pretzels) + 57 (Cookies) + 63 (Other) = 180 Show more…
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Ravi is in charge of planning the reception for 3200 people. He is trying to decide which snacks to buy. He has asked the reception attendees for their favorite snack and has taken a random sample of people who are coming. Here are the results: Favorite Snack Number of People Potato chips Pretzels Cookies Other Based on the above sample, predict the number of people at the reception whose favorite snack will be cookies. Round your answer to the nearest whole number. Do not round any intermediate calculations.
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The number of chocolate chips in an 18-ounce bag of Chips Ahoy! chocolate chip cookies is approximately normally distributed, with a mean of 1262 chips and a standard deviation of 118 chips, according to a study by cadets of the U.S. Air Force Academy. (a) Determine the 29th percentile for the number of chocolate chips in an 18-ounce bag of Chips Ahoy! cookies. (b) Determine the number of chocolate chips in a bag of Chips Ahoy! that make up the middle 98% of bags. (c) What is the interquartile range of the number of chips in Chips Ahoy! cookies? (a) The 29th percentile for the number of chocolate chips in an 18-ounce bag of Chips Ahoy! cookies is chocolate chips. (Round to the nearest whole number as needed.) (b) The number of chocolate chips in a bag of Chips Ahoy! that make up the middle 98% of bags is to chocolate chips. (Round to the nearest whole number as needed. Use ascending order.) (c) The interquartile range of the number of chips in Chips Ahoy! cookies is chocolate chips. (Round to the nearest whole number as needed.)
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