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1) If there are 150 values in a data set, how many classes should be created for a frequency histogram?
A. 5
B. 6
C. 7
D. 8
E. 9
2) . If x is a binomial random variable where n = 100 and p = 0.2, find the probability that x is less than or equal to 15 using the normal approximation t o the binomial.
Discuss the link between the estimate and the parameter in the context of an hypothesis test. Be sure to reference the appropriate steps of the five step process in your response, based on the steps below:
question when mendel conducted his famous genetics experiments with peas one sample of offspring consisted of 580 peas
a linear program has been solved and sensitivity analysis has been performed. the ranges for the objective function
Construct a confidence interval at a 80% confidence level. Give your answers to one decimal place.
Course grades. Choose a student at random from all who took Math 101 in recent years. The probabilities for the student's grade are.
Calculate the elasticity of demand, using the point formula
Christofides' Traveling Salesman Heuristic) Consider a symmetric traveling salesman problem where the arc costs are nonnegative and satisfy the triangle inequality (cf. the preceding exercise).
Assume the Alpha group had a standard deviation of $20 million and the Beta group had a standard deviation of $8 million. Construct a 95% confidence interval for the difference in mean portfolio size for firms in the two groups of credit ratings.
suppose that the amount of time between consecutive surges in an electricity network has an exponential distribution
the following data show the number of fruit fly killed at varying concentrations of nicotine.the number of ies killed
Researchers from Yale, working with medical teams in Tanzania, wanted to know how common infection with the AIDS virus is among pregnant women
A random sample of 9 homes was selected in the neighborhood. What's an estimate of the average price of the houses in the sample?
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