Mathematics, 11.03.2022 14:00, roseemariehunter12
Rachel works in the school store at Miller Middle School. The store sells notebooks, pens, pencils and healthy snack bars. Rachel wanted to estimate the percentage of the students who bought the snack bars in the school store. There are 800 students in the school. She selected a random sample of 30 students who shopped at the school store during a two-month period. She determined that 15% of those students purchased a healthy snack bar. Which statement about Rachel’s sample is true?
Answers: 3
Mathematics, 21.06.2019 21:40, skylarbrown018
The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?
Answers: 2
Mathematics, 21.06.2019 22:30, hala201490
Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.
Answers: 1
Rachel works in the school store at Miller Middle School. The store sells notebooks, pens, pencils a...
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