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Suppose the chance of someone's contracting coronavirus COVID-19 in Canada is 1 in 1467. Denote the event of having the disease as D, the event of testing positive as T. On 13 April 2020, Canada had 25,369 testing positive. At the same time, the population of Canada was 37,670,255. The accuracy of a test is defined as probability of testing positive (T), when the person is sick (D). Assuming that probability of being sick and testing positive (i.e. event D & T) is 6.6807 * 10-2 %, find the accuracy of the test.
Find the probability that the mean aptitude test score for a randomly selected group of 150 8th graders is between 98 and 102.
This question relates to Statistics and it discuss about statistically important result in null hypothesis and alternate hypothesis testing
selectnbspa well documented historical case study of an individual who experienced a neurological disorder disease or
a lumber mill is tested for consistency by measuring the variance of board thickness. the target accuracy a variance of
What is the probability that a can of soup selected randomly from the entire production will weigh less than 143 g?
What percentage of items will weigh between 6.4 and 8.9 ounces?
Assume that the indexed values constitute a random sample from the population of possible values. Test for the existence of a linear correlation between the indexed prices of the two metals.
is the accounting system the same for a merchandising business and a service business?
random variable Y that has an exponential distribution with mean equal to 4 tons. The cost of the flour is proportional to U=3Y+1. Find the probability density function for U.
In many ways, comparing multiple sample means is simply an extension of what we covered last week. Just as we had 3 versions of the t-test (1 sample, 2 sample (with and without equal variance), and paired;
Describe how you could use hypothesis testing to help make a decision in your current job, a past job, or a life situation.
Suppose that n items are being tested simultaneously; that the items are independent; and that the length of Life of each item has an exponential distribution.
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