Mathematics, 10.03.2021 01:40 LeilaniCo
Kat is interested in getting chickens so she can have fresh eggs. Before she buys her chickens, she wants to find the
mean number of eggs each one will lay. She begins by randomly selecting 40 chickens from a large poultry farm and
counts how many eggs each one lays within one month. She finds the mean to be 24.8 eggs with a standard deviation
of 6.9 eggs. Which of the following is the 90% confidence interval for the true mean number of eggs chickens from this
poultry farm lay in one month?
Find the t-table here.
(21.85, 27.75)
(22.59, 27.01)
(22.96, 26.64)
(23.38, 26.22)
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Answers: 1
Mathematics, 21.06.2019 18:30, perezsamantha3oqr0za
(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5
Answers: 3
Mathematics, 21.06.2019 20:00, Chen5968
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
Answers: 2
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