Mathematics, 10.07.2019 16:30 suji89
According to a mashable post, time spent on tumblr, a microblogging platform and social networking website, has a mean of 14 minutes per visit. (source: on. mash. to/1757wfe.) as- sume that time spent on tumblr per visit is normally distributed and that the standard deviation is 4 minutes. if you select a random sample of 25 visits, a. what is the probability that the sample mean is between 13.6 and 14.4 minutes
Answers: 1
Mathematics, 21.06.2019 18:00, heids17043
Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?
Answers: 1
Mathematics, 22.06.2019 01:10, tashatyron24pejls0
|z| > (1/2) {-1/2, 1/2} {z|(-1/2) < z < (1/2)} {z|z < (-1/2) ∪ z > (1/2)}
Answers: 3
According to a mashable post, time spent on tumblr, a microblogging platform and social networking w...
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