Mathematics, 25.11.2019 23:31 brooke7768
Assume the length x in minutes for a phone conversation is a random variable with probability density function: f(x) = ce^(-x/6) x> 0 and f(x) = 0 elsewherea / determine the value of cb/ determine the probability that the phone conversation last more than 18 minutesc/ determine the expected length of a phone conversationd/ find the variance and standard deviation of xe/ determine the probability that the phone conversaion will last within 2 standard deviations of the meanf/ find e[(x + 5)^2]
Answers: 1
Mathematics, 21.06.2019 16:10
A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?
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Suppose the equation of a line is 2x − 4y = − 8. which coordinate pair represents the y-intercept?
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Sarah is collecting recyclables for a science project. on the first day she collected 35 recyclable objects. on the second day she had a total of 52 recyclables. on the third day she had a total of 69 recyclables. determine if the scenario describes an arithmetic or a geometric sequence. then, write the recursive formula for the sequence described.
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Mathematics, 22.06.2019 07:00
After the expression (x^10) ^3/5 is simplified as much as possible, x is raised to what exponent?
Answers: 2
Assume the length x in minutes for a phone conversation is a random variable with probability densit...
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