Mathematics
Mathematics, 09.10.2019 20:00, pandamarz

Maya drew one highlighter at a time from a container of highlighters. after each draw, the highlighter was replaced. maya recorded the results of 20 draws in the table below. what is the experimental probability of drawing a yellow highlighter?

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Mathematics, 24.06.2019 20:50, santosbeti90
Suppose a consumer product researcher wanted to find out whether a typical highlighter lasted < the manufacturer’s claim that their highlighters could write continuously for 14 hours. the researcher tested a random sample of 30 highlighters and recorded the number of continuous hours each highlighter wrote before drying up. the summary statistics from this sample are ¯x = 13.6 hours and s = 1.3 hours. test the hypothesis that the mean highlighter from this manufacturer writes for < 14 continuous hours using a significance level of α = 0.05.
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Mathematics, 23.09.2019 02:50, dumbdumbkylee
Eli has 7 black pens and 6 blue pens in his desk drawer. he also has 4 yellow highlighters, 2 green highlighters, and 3 pink highlighters in his pencil case. if he chooses one pen and one highlighter without looking, what is the probability that he will get a blue pen and he will not get a pink highlighter?
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Предмет
Mathematics, 01.10.2019 06:30, ally9704
Eli has 7 black pens and 5 blue pens in his desk drawer. he also has 3 yellow highlighters, 2 green highlighters, and 5 pink highlighters in his pencil case. if he chooses one pen and one highlighter without looking, what is the probability that he will get a black pen and he will not get a green highlighter? a. 7/15 b. 117/1,000 c. 1/3 d. 1/12
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