Mathematics, 11.01.2020 02:31 almaloney01
The station manager thinks the station doesn't play 10 songs per hour, but he doesn't know whether the station plays more or less than 10 songs per hour.
a what are the null and alternative hypotheses for this test?
b what test will you use to evaluate the alternative hypothesis? what are the conditions of this test and are they met in this situation?
c calculate your test statistic and p-value. show your work.
d what's your critical t value and what's your conclusion at \alpha = .05? compare the critical t value and the p-value to those from the test from question 1 and explain the difference.
Answers: 2
Mathematics, 21.06.2019 15:00
1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.
Answers: 1
Mathematics, 21.06.2019 17:30
Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income
Answers: 3
Mathematics, 21.06.2019 18:00
Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?
Answers: 1
The station manager thinks the station doesn't play 10 songs per hour, but he doesn't know whether t...
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