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a stock investor would like to have an idea concerning the average return of stocks that are traded on a certain exchange in a sample of 99 stocks
in a survey of 155 publicly-traded companies the average price-earnings ratio was 183 with a standard deviation of 76 when testing the hypothesis at
to determine whether high blood pressure affected whether a person had a stroke a sample of 300 people who had had strokes are examined in the sample
a sample of 60 mutual funds was taken and the mean return in the sample was 13 with a standard deviation of 69 the return on a particular index of
suppose a firm raises 23 million dollars by issuing debt at a cost of 61 raises 14 million by issuing common stock at a cost of 86 and raises an
suppose the returns of a particular group of mutual funds are normally distributed with a mean of 91 and a standard deviation of 51 if the manager of
the enrollment in a course offered by the college of business is random and is described by the following probability distribution there is a 9
suppose that an individual stocks return is normally distributed with a mean of 9 and a standard deviation of 4 what is the probability that the
suppose that 70 of people who identify themselves as an independent voter end up voting for a republican candidate what is the probability that out
suppose that a grocery store buys milk for 210 and sells it for 260 if the milk gets old then the grocery store can sell their unsold milk back to
suppose the country club bills based on a sample of 4 members are 358 958 665 846 what is the standard deviation for this sample of bills please
the number of gallons of paint that home depot sells in a given day is normally distributed with a mean of 150 gallons and a standard deviation of 35
suppose that you have bought a total of 3100 shares of stock of a particular company you bought 1200 shares of stock at 17 per share 900 shares of
a local movie theater wants to know how much popcorn they should stock for a given movie showing records from 94 movies reveal a mean of 57 boxes and
an online stock trading company makes part of their revenue from clients when the clients trade stocks therefore it is important to the company to
in a sample of 80 people who have had strokes the average cholesterol level was 250 with a standard deviation of 70 in order to test the hypothesis
an investor has a choice of 2 investment opportunities the first investment yields a gain of 2800 with probability of 037 a gain of 1100 with
historically the proportion of students entering a university who finished in 4 years or less was 64 to test whether this proportion has decreased
suppose an advertising agency is conducting a survey concerning the effectiveness of commercials during the super bowl if 32 of people watch the
a sample of 57 mutual funds was taken and the mean return in the sample was 141 with a standard deviation of 92 the return on a particular index of
over the past month the 500 customers have downloaded the following number of songs from walmarts website obviously they have had more but we need to
in a survey of 120 publicly-traded companies the average price-earnings ratio was 185 with a standard deviation of 82 when testing the hypothesis at
each home depot store must decide how much paint to order each month from historical records they know that the amount of paint they sell during may
an effort to reduce energy costs a major university has installed more efficient lights as well as automatic sensors that turn the lights off when no