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The probability that a person stopping at a petrol pump will get his tyres checked is 0.12, the probability that he will get his oil checked is 0.29 and that he will get both checked is 0.07.
a. What is the probability that a person stopping at this pump will neither his oil nor tyres checked.
b. What is the probability that a person has his tyres checked amongst the person who have checked for oil?
Physical Sciences An iceberg consists of frozen freshwater that has broken away from a glacier, and could be more than 15,000 years old.
each person in random samples of 227 male and 283 female working adults living in a certain town in canada was asked
for any normal distribution what z-score separates the highest 80 of the scores from the rest of the distribution?
three couples and two single individuals have been invited to a party. assume independence of arrivals to the party and
You randomly select 30 recent first-time home buyers and ask them whether they plan to upgrade to a bigger home within 5 years.
How can a person incorporate successful practices that me be observed in our classmates' presentations that were good into future presentations?
Suppose a random sample of 500 adults is asked, "Do you own a credit card?" Describe the sampling distribution of p ^ , the proportion of adults who own a credit card.
At 20 units of output, the slope of a firm's average cost curve is recorded as +1.5 and the marginal cost is $300.
The following data were collected in a study in which 30 students were asked to rate their professors: very good, good, good, fair, excellent
The manufacturer in Exercise 54 has noticed that the number of faulty cell phones in a produc- tion run of cell phones is usually small and that the quality of one day's run seems to have no bearing on the next day.
According to the latest poll, 750 adult respondents believe in global warming. Construct a 95% confidence interval estimate of the proportion of adults
Identify at least three methods of statistical inference. Describe in detail each method and how you could use this method in your discipline. You may not use the same tests indicated in your research proposal.
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