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A random sampling of financial analysts was asked to provide forecasts of earnings per share of a corporation's stock for the next year. The results are summarized as follows:
Forecast ($ per share) # Analysts Mi FiMi
$8 < $10 2 Analysts
$10 < $12 3 Analysts
$12 < $14 9 Analysts
$14 < $16 16 Analysts
$16 < $18 4 Analysts
Find the mean earnings per share for this stock, while also filling in the chart for Mi and FiMi.
The cost accountant for Blue Pharmaceuticals has informed you that the company's materials quantity variance for the drug Allegro was exactly equal to its materials price variance for the year.
Findout the margin of error for this survey if we want a 99 percent confidence in our estimate of the percent of adults over 50 who take vitamin supplements.
The student body of a large university comprises 60% female students. Elucidate what is the probability that the students in the sample exactly two are female?
Is it necessary to assume a normal distribution on the population to estimate the value of the mean spending per day? Explain.
In 2006, the Florida poll conducted by Florida International University asked whether current environmental regulations are too strict or not too strict. Of 1200 respondents. 229 said they were too strict. Find and interpret a (a) 95%. (b) 99% con..
Utilizing Excel data analysis calculate t distribution also deduce the result. Study of variance is used to investigate if there is a difference in the mean mileage of the three cars.
Suppose that a researcher does a study to see how level of anxiety (A 1 = low, A 2 = medium, A 3 = high) is used to predict exam performance (Y).
The mean area of several thousand apartments in a new development is advertised to be 1250 sq. ft. An engineer measured a random sample of apartments:
Use expected collision claim amount to find out the collision insurance premium that would permit the company to break even on collision portion of policy.
Estimate the probability the store will gross over $850 a) At least 3 out of 5 business days.
A fast-food restaurant sells hamburgers and chicken sandwiches. On a typical weekday, the demand for hamburgers is normally distributed with a mean 313 and a standard deviation 57; the demand for chicken sandwiches is normally distributed with a m..
A random sample of 15 first-year CMAs in Denver produces a mean salary of $32,279, with a standard deviation of $1,797. Test the hypothesis that the mean for all Denver first-year CMAs is not equal to $31,129. Use the .05 level of significance.
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