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1. Three hundred and fifty Kentucky firefighters were asked their perceptions on mandatory sprinkler systems for new homes constructed in their state. The results were provided to the state in a report summarizing the firefighters' opinions that residential sprinkler systems were needed in every new construction.
a. What is the sample?
b. What is the population?
The prices of 12 randomly chosen homes in dollars (approximated to nearest thousand) in a growing region of Tampa in the summer of 2002 are given below.
Write the steps needed to construct an empirical sampling distribution of the range.- What is the name of the standard deviation of this sampling distribution?
Suppose the sample variance for 3 parts turns out to be S2 = .0005. Use a=.05 to test whether the population variance specification is being violated.
If the predicted value of Y for an observation is 5, calculate the residual for an observation where the observed value Y is equal to 9.
The unit shipping costs (dollars per box) for the four products are $5, $2, $4, and $10, respectively. What is the weighted mean for shipping cost per unit?
if np gt5 and nqgt5 estimate pmore than 9 with n14 and p0.3 by using the normal distribution as an approximation
what requirements are necessary for a normal probability distribution to be a standard normal probability
Is it reasonable to say that there's a correlation between the type of car you own and the risk that it will be stolen?
the below two question must have a minimum 250 word count and use examples to support the solution. only use usa based
Comparing the experimental and theoretical probabilities, can you say the die used in this experiment is a fair die? Why or why not?
A robot, when working properly, produces 5% or less defective items. whenever the robot produces more than 5% defective items, needs repair.
Correlation between the two variables - Evaluate the value of the correlation coefficient.
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