A researcher works on a study that has a population standard deviation of 73, a sample mean of 84.5 and a sample size of 60 The researcher is 95% confident that the interval
includes plausible values for the true mean
84.43 <3 < 84.57
84.41 << 84.59
84.31 << 84.69
84.39<< 84.61
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According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.