Mathematics, 11.10.2020 14:01 zhellyyyyy
A set of data has a sample mean of 65.4 and a standard deviation of 1.2. If the sample size is 45. what is the 99% confidence interval of this data?
OA
64.94 and 65.86
ОВ.
65.05 and 65.75
Ос.
65.10 and 65.70
OD
65.33 and 65.47
Answers: 2
Mathematics, 21.06.2019 16:20
Two positive integers are 3 units apart on a number line. their product is 108. which equation can be used to solve for m, the greater integer? m(m – 3) = 108 m(m + 3) = 108 (m + 3)(m – 3) = 108 (m – 12)(m – 9) = 108
Answers: 1
Mathematics, 21.06.2019 16:30
Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)
Answers: 1
Mathematics, 21.06.2019 17:00
Jose bought 20 shares of netflix at the close price of $117.98. in a few years, jose sells all of his shares at $128.34. how much money did jose make? a.) $192.50 b.) $207.20 c.) $212.50 d.) $224.60
Answers: 1
A set of data has a sample mean of 65.4 and a standard deviation of 1.2. If the sample size is 45. w...
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