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The owner of a restaurantserving Continental-style entrees was interested in studying ordering patternsof patrons for the Friday-to-Sunday weekend time period. Records were maintained that indicated the demand for dessert during the same time period. The owner decided to study two other variables, along with whether a dessert was ordered: the gender of the individual and whether a beef entree was ordered. The results are as follows:
GENDER
DESSERT ORDERED Male Female Total
Yes 96 40 136
No 224 240 464
Total 320 280 600
A waiter approaches a table to take an order for dessert. Whatis the probability that the first customer to order at the table
a. orders a dessert?
b. orders a dessert or has ordered a beef entree?
c. is a female and does not order a dessert?
d. is a female or does not order a dessert?
The television networks often compete on the evening of the day of an election to be the first to identify the winner of the election correctly. One of the techniques often used is the random sampling of voters as they exit the polling booths. Suppos..
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Given a normal distribution with µ =50 and σ =4, what is the probability that a. X > 43?b. X
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Do a literature review on the use of Poisson
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In a study on speed control, it was found that the main reasons for regulations were to make traffic flow efficient and to minimize the risk of danger. An area that was focused on in the study was the distance required to completely stop a vehicle at..
Your statistics instructor claims that 60 percent of the students who take her Elementary Statistics class go through life feeling more enriched. For some reason that she can't quite figure out, most people don't believe her. You decide to check this..
Which statistic is used to test a hypothesis a regression equation?Select one:a. t-statisticb. z-statistic
Has there been a statistically significant change in the mean length of the bars?
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