Asample of 18 observations taken from a normally distributed population produced the following data:
28.5, 27.3, 25.3, 25.1, 31.1, 23.4, 25.5, 24.4, 28.1, 37.5, 23.6, 28.7, 27.6, 25.4, 27.5, 25.5, 22.7, 22.6

a. what is the point estimated μ?
b. make 95% confidence interval for μ
c. e=

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655