Mathematics, 18.10.2019 10:30 Thatweirdgirly5
Arecent survey of 8,000 high school students found that the mean price of a prom dress was $195.00 with a standard deviation of $12.00. alyssa thinks that her school is more fashion conscious and spent more than $195.00. she collected data from 20 people in her high school and found that the average price spent on a prom dress was $208.00. which of the following is the correct z-statistic for this situation?
a.0.24
b.4.85
c.7.51
d.58.14
Answers: 3
Mathematics, 21.06.2019 18:30
The border line of the linear inequality 4x + 7y < 5 is dotted true or false?
Answers: 2
Mathematics, 21.06.2019 22:10
Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1
Answers: 3
Arecent survey of 8,000 high school students found that the mean price of a prom dress was $195.00 w...
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