Mathematics, 20.01.2021 04:10 mirmir62
Question 8 (1 point)
There are 125 students in 9th grade at New Hope School. All 125 9th graders are going on a trip. Twelve of the students will win a small prize. Each student is given a
number. 1 - 125. Each number is written on a small piece of paper and the papers
are put into a large bag and mixed thoroughly. Then, 12 numbers are randomly
selected from the bag.
What type of sampling is this?
random sampling
convenience sampling
systematic sampling
Ostratified sampling
Answers: 1
Mathematics, 21.06.2019 19:20
Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.
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
Mathematics, 21.06.2019 23:50
You so much whoever answers with accuracy •the parent function of the graph of f(x) is the square root function, which was reflected across the x-axis. which of the following is the equation of f(x)?
Answers: 1
Question 8 (1 point)
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