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In a recent survey of 200 Art students, 163 of them indicated that they would rather be poked in the eye with a sharp stick rather than take a statistics class. At a significance level of 0.01, test the hypothesis that more than 75% of art students would rather be poked in the eye with a sharp stick.
A retailer finds that the demand for a very popular board game averages 100 per week with a standard deviation of 20. If the seller wishes to have adequate stock 95% of the time.
1. give examples of two variables that are positively correlated and two that are negatively correlated.2. what
Using the given data set, find (a) the sample mean, (b) the sample standard deviation, (c) construct a 98% confidence interval for the population mean μ.
A local Junior High principal has decided to give an award to any student who scores in the top 15% of statewide scores. How high should a student score be to win this award?
data are gathered regarding the length of tenure top executives have at a major corporation and whether those
question tim made 14 ceramic statues for the craft show. in how many ways may he display them in a row if only 5 may be
a population has a mean of 50 and a standard deviation of 13. if a random sample of 36 is taken what is the probability
suppose you estimate a model obtaining wage 0.620 0.506 times educ 2.27 times female were wage is measured in
A certain type of tomato seed germinate 90% of the times. if a farmer plants 25 seed, What is the probability that: -exactly 20 germinates more than 19 germinates.
Tourism is one consideration for CoffeeTime's future, A survey of 1,233 visitors to mumbai last year revealed that 110 visited a small cafe during their visit.
I survey 50 potential consumers regarding their interest in the product, 34 express an interest in purchasing it. The maximum price each would be willing to pay is shown below.
the purchasing department of major company has 100 employees 22 of whom have no children 50 of whom have exactly one
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