Mathematics, 15.11.2019 20:31 jdilla98
The average local cell phone call length was reported to be 2.27 minutes. a random sample of 20 phone calls showed an average of 2.98 minutes in length with a standard deviation of 0.98 minute. at α=0.05, can it be concluded that the average differs from the population average?
Answers: 2
Mathematics, 21.06.2019 19:30
Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ÌŠ. how far is the man from the base of the bridge tower? with explanation and pictures .
Answers: 1
Mathematics, 22.06.2019 02:00
Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?
Answers: 2
Mathematics, 22.06.2019 07:00
Out of 8 boys and 6 girls in a high school, a team of seven students is selected. what is the probability that three boys and four girls are selected? in your response, include an explanation and all of the calculations necessary to determine the probability.
Answers: 2
Mathematics, 22.06.2019 07:30
F(x)=-1/3x+7 determine the input that would give an output value of 2/3. 2/3= -1/3x+7 -19/3=-1/3x x=
Answers: 1
The average local cell phone call length was reported to be 2.27 minutes. a random sample of 20 phon...
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