Select the correct answer.
of the 1,000 students in a local college, 420 own brand X mobile ph...
Mathematics, 26.05.2020 22:00 XOsam
Select the correct answer.
of the 1,000 students in a local college, 420 own brand X mobile phones and 580 own brand Ymobile phones. Of these students, 80 own both
brands of mobile phones. Find the probability that a student chosen at random has a brand X mobile phone given that he has a brand Y mobile
phone.
O A 2/4
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Answers: 3
Mathematics, 21.06.2019 18:30
Can someone check if i did this correct. it’s number 4 if you’re wondering.
Answers: 1
Mathematics, 21.06.2019 19:30
Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 1
Mathematics, 21.06.2019 21:30
The diagram represents the polynomial 4x2 + 23x – 72. what is the factored form of 4x2 + 23x – 72? (4x + 8)(x – 9) (4x – 8)(x + 9) (4x + 9)(x – 8) (4x – 9)(x + 8)
Answers: 2
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