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According to a survey, 90% of senior executives at major U.S corporations felt that the federal budget will not be balanced by the year 2015. Suppose that this result is true for all senior executives at U.S. corporations. Letx denote the number of senior executives in a random sample of 10 who hold this opinion. Write the Probability distribution of x and draw a line graph of the probability distribution. find the mean and standard deviation of x.
a number is written with a magic marker on each card of a deck of 52 cards. the number 1 is put on the first card the
the sample mean was found to be 21.3 minutes, with a sample standard deviation of 5.5 minutes. Is there evidence to reject the claim at the alpha = 0.05 level?
an offspring of a grey cat is grey with probability 0.6 and white with probability 0.4. an offspring of a white cat is
Describe the factors that might cause variation in weight of Tootsie Rolls during manufacture.
a web based software company is interested in estimating the proportion of individuals who use the firefox browser. in
A function sometimes associated with a continuous nonnegative random variable is the failure rate (or hazard rate) function which is defined as:
a horizontal cylinder is heated electrically. the cylinder is supplied with a current at a dc voltage. using the data
the guidance system of a ship has four modules that must maintain all function properly for the system to work. two of
starting with the formula and substituting values for each variable provide all the steps of the calculations to arrive
Research question: Are the mean annual attendance rates the same for employees in these three departments?
according to runzheimer international a typical business traveler spends an average of 281 per day in chicago. this
a study by hewitt associates showed that 79 of companies offer employees flexible scheduling. suppose a researcher
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