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According to an airline, a particular flight is on time 95% of the time. Suppose 17 flights are randomly selected and the number of on time flights is recorded.
(a) Determine whether that is a binomian experiment.
(b) Find the probability that exactly 15 flights are on time.
(c) Find the probability that at least 15 flights are on time.
(d) Find the probability that fewer than 15 flights are on time.
(e) Find the probability that between 13 and 15 flights, inclusive, are on time.
At α =0.05, can it be concluded that families who live in cities have higher income than those who live in rural areas? Utilize P-value method.
The BATF wants to evaluate true average lead level for California wines to within 29 parts per billion at 95% level of confidence?
listed below are speeds mih measured from southbound traffic on i-280 near cupertino california based on data from
Perform exploratory data analysis on CreativityPre and CreativityPost. Using SPSS, calculate the mean and standard deviation of these two variables.
If 20 customers were selected at random during one business day, what is the probability that at least 11 of them did not order a pastry with their drink. Round answer to 4 decimal places.
A recent study claimed that 15% of all eighth- grade students are overweight. In a sample of 80 students, 9 were found to be overweight. At a= 0.01, is there enough evidence to reject the claim using critical values?
for several years the mean number of customers per day at a restaurant has been 142. recently the number of customers
a corporation creates a sinking fund in order to have 980000 to replace some machinery in 9 years. how much should be
Using the following data on 15 workers, construct an exact 95% confidence interval for µ.
the makers of mini-oats cereal have an automated packaging machine that can be set at any targeted fill level between
Provide an example of two of the laws of exponents. Explain how to simplify them. Tell how do the laws work with rational exponents and then provide a third example to simplify that includes a rational (fractional) exponent.
before5044626849435576665458after6966759464597891797786data was collected overall fitness before and after a physical
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