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A soft drink dispenser is set to automatically dispense drinks and ice in 8 oz. cups. The machine is set to fill the cups with 7 1/4 oz. so that the liquid will not run over the top of the cup. The company is getting complaints that the machie is filling the cups too full and spilling over. When the machine is operting properly, only 1% of the cups will not be filled properly. The production manager conducted a one-tail hypothesis teset at the 0.01 level to check the machine. A sample of 70 fills was measured. What is the critical value of t?
the probability that a randomly selected pregnancy lasts less than 149 days is approximately .3821.the probability that
What is the probability that a randomly selected household with a head of household in this age group had less than $70 000 in life insurance coverage?"
consider a company that selects employees for random drug tests. the company uses a computer to randomly select
computing probability values using normal distribution.in a population of test scores not known to be normally
Let X be the number of individuals in a simple random sample of size 50 from this population who get some relief by taking ibuprofen, and let pˆ be the sample proportion. Find the probability that the value of p is in the interval
Biggio's Department Store has six employees available to assign to four departments in the store: home furnishings, china, appliances, and jewelry.
You create a 95% confidence interval for your average score and it is (76.347, 79.133). Given this information, what is the best conclusion?
Then you travel the same distance to another point C moving at a constant speed of 120 km/h. Your average speed for the entire trip from A to C is?
What percentage of bags will weigh more than 16.4 ounces? What percentate of bags will weigh less than 15.92 ounces
For a hypothesis test about a population proportion or mean, if the level of significance is less than the p-value, the null hypothesis is rejected.
Conduct a hypothesis test using the .04 level of significance to determine if there is a difference between the population means.
Perform a two tailed hypothesis test on both the legal services satisfaction and the sentence satisfaction variable's data using a 0.5 significance level by creating a null and a alternative statement.
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