Mathematics, 06.05.2020 02:28 awsomeboy12345678
A dietitian wants to know the average time spent on breakfast in a primary school. The dietitian randomly samples 25 students and finds that the average is 12.6 minutes with a standard deviation of 1.53 minutes. Assume that the distribution of the time spent on the breakfast is normally distributed. The dietitian finds a 95% confidence interval for this sample is (11.968, 13.232).
Answers: 1
Mathematics, 21.06.2019 13:00
The area of a 25-inch tv screen is 300 square inches. the area of a 40-inch tv screen is 768 square inches. the are of the smaller screen is what percent of the area of the larger screen?
Answers: 3
Mathematics, 21.06.2019 17:00
Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.
Answers: 1
Mathematics, 21.06.2019 21:30
50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.
Answers: 3
Mathematics, 21.06.2019 23:00
Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?
Answers: 1
A dietitian wants to know the average time spent on breakfast in a primary school. The dietitian ran...
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