Mathematics, 15.07.2020 04:01 zafyafimli
Working on summer vacation. Suppose in a school it is found that 30% of adults do not work at all while on sum- mer vacation. In a random sample of 8 adults, let x repre sent the number who do not work during summer vacation.
a. For this experiment, define the event that represents a "success
b. Explain why x is (approximately) a binomial random variable.
c. Give the value of p for this binomial experiment.
d. Find P(x-3) e. Find the probability that 2 or fewer of the 8 adults do not work during summer vacation.
Answers: 1
Mathematics, 21.06.2019 14:00
Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.
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Mathematics, 21.06.2019 16:50
Line l passes through points (0,4) and (3,6) what is the slope of a line that is parallel to line l -2/3 -3/2 2/3 3/2
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What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7
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Mathematics, 21.06.2019 20:30
What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)
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Working on summer vacation. Suppose in a school it is found that 30% of adults do not work at all wh...
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