Mathematics, 30.07.2021 02:00 adamkinney9345
Exam two in this course had an average of twenty with a standard deviation of two, in a sample size of twenty. Based on this which statement would be correct using a ninety-five percent confidence interval.
A. She would accept her null hypothesis.
B. It is reasonable to assume that the population average on the exam could be 21.
C. The value of the statistic she should use for her 95% confidence interval is 2.093
D. She would use the "Z" distribution instead of the "T" because the population standard deviation is unknown.
Answers: 1
Mathematics, 21.06.2019 22:00, harry5112
Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250
Answers: 1
Mathematics, 22.06.2019 04:00, saeedalr366
According to the national center for health statistics, in 1990, 28 % of babies in the united states were born to parents who were not married. throughout the 1990s, this increased by approximately 0.6 % per year. if this trend continues, in which year will 52 % of babies be born out of wedlock? in__52 % of babies will be born out of wedlock
Answers: 1
Exam two in this course had an average of twenty with a standard deviation of two, in a sample size...
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