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The average length of hockey sticks produced at an assembly line is 185 cm with a standard deviation of 15 cm. Furthermore, it is known that the length of the hockey sticks is normally distributed.
1. What is the probability that a randomly selected hockey stick will have a length of at least 193 cm?
2. Fill in the blank: 12.5% of the hockey sticks produced are longer than _____ cm?
The average age of students in a career college is 28 years with a standard deviation of 12 years. It is known that the age of the students follows a normal distribution.
1. What is the probability that a randomly selected student is older than 32 years old?
2. Fill in the blank: 25% of the students are older than ______ years?
tasks are sent to a supercomputer at an average rate of 6 tasks per minute. their arrivals are modeled by a binomial
Choose the best measure of central location, measure of spread (variability) and limits of your data from the list below. You will choose 3 answers.
Pollution. A company with a fleet of 150 cars found that the emissions systems of 7 out of the 22 they tested failed to meet pollution control guidelines.
For a box of 5 green, 3 black and 2 red balls, you randomly pick 2 balls without replacement. Green, black and red balls are worth 1, 2 and 3 points respectivel
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Treat the relative frequencies as probabilities and determine the probability that an arbitrarily chosen boy responds Yes.
Radio Shack stocks four alarm clock radios. If it has fewer than four clock radios available at the end of a week, the store restocks the item.
Show that ( f dµ is well-defined and if ( 1 fn - g1 dµ → 0, then ( fn dµ converge to an element of S depending only on g, which will be called ( g dµ (Bochner integral).
At the 0.05 level of significance, is there evidence of a difference in the daily customer count based on the price of a small coffee?
A field researcher is gathering data on the trunk diameters of mature pine and spruce trees in a certain area. The following are the results of his random sampling. Can he conclude, at the 0.10 level of significance, that the average trunk diame..
Recognize sample, population, sample statistic, and population parameter: Nasonex is the drug used to treat allergy symptoms.
Find the p-value and state a conclusion there is enough or not enough evidence to conclude at the proportion of students who log in to Facebook
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