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1. Let Xi , i ?: 1, be independent random variables with pj = P{X = j}, j ?: 1. If pj = j/10, j = 1, 2, 3, 4, ?nd the expected time and the variance of the number of variables that need be observed until the pattern 1, 2, 3, 1, 2 occurs.
2. A coin that comes up heads with probability 0.6 is continually ?ipped. Find the expected number of ?ips until either the sequence thht or the sequence ttt occurs, and ?nd the probability that ttt occurs ?rst.
Is the normal distribution (or its special case, the standard normal distribution) effective in characterizing situations and/or in helping managers make decisions?
How would you explain to another student the difference between compound interest and continuous compound interest to a friend?
a young couple eve and steven want to divide their main household chores shopping cooking dishwashing and laundering
assume john is conducting a one-way anova with three groups. naturally he specifies the null hypothesis as
Find the rectangular coordinates of the point Q(-5, -35°) and Write the rectangular equation x2 + y2 = 9 in polar form
maria collected data on amount spend for entertainment each week on average. after constructing a histogram maria
Generate a frequency distribution and histogram describing this information and comment on the extent to which some workers appeared to be receiving an especially high or low number of e-mails. Source: emailstatcenter.com, June 20, 2009.
an exhaustive survey of all users in a wilderness park taken in 1980 revealed that the average number of persons per
What is the probability that a given team scored fewer than 2 runs in any given half-inning of the 1986 season?
When using the F-statistic for hypothesis testing of the variance, which sample variance is the numerator and which sample variance is the denominator?
assume that the background niose x of a digital signal has a normal distribution with u0 volts and theta .5 volt. ifv
annual per capita consumption of milk is 24.1 gallons. being from the midwest you believe milk consumption is lower
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