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A sampling distribution is shown for the budgets (in millions of dollars) of all movies to come out of Hollywood in 2011, using samples of size 20. We see that the standarderror is about 10.23. For each of the sample means listed, use the standard error of10.23 to find a 95% confidence interval and state whether or not the interval captures the true population mean of 53.48 million dollars. (1) mean=40 (2) mean=70 (3) mean=84
Find the probability of being a jackpot winner. You must show all work to show how you and your partner got the answer. There is more than one way to do this problem.
Determine the standard error of the proportion. What is the probability that more than 70.4% of consumers will indicate they like the drink?
jude is interested in buying a digital camera. he visited 9 stores at random and recorded the price of the particular
1. define in your words nominal ordinal and interval-ratio levels of measurement. provide 3 examples for each level of
a negative relationship between two variables means that as the x variable increases the y variable
consider the following frequency distribution for a sample of 40 observationsclass frequency0-4
you need to estimate the mean number of travel days per year for outside salespeople. the mean of a small pilot study
a researcher reported a correlation of 1.25 between an iq test and grades in epy 6214. which one of the following
Company wishes to exceed on-time rate of competitors at new hub. Hundreds of flights arrive at location daily. Determine the main advantages and disadvantages of employing sampling in application?
Plot these data and comment on the nature of relationship between the two variables under consideration - find correlation between (X, Y).
Please explain the difference between confidence interval and significance level and how they interact or "influence" each other.
random sample
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