$i \times j = k \\ j \times k = i \: and \: k \times i = j \\ \\ j \times i= - k \\ k \times j = - i \\ i \times k = - j \\ \\ (i - k) \times (k - j) = \\ i \times k - (i \times j) - \\ (k \times k) + (k \times j) \\ note \\ \: i \times i = j \times j = k \times k = 0$

3 0

2 years ago

Suppose that 5% of the general population has a disease and the test for the disease is accurate 80% of the time. What is the pr

Aleonysh [2.5K]

Answer:

Step-by-step explanation:

Say we are testing 100 people

we test 100 times

80 of the 100 tests result in 5 people having the disease.

so 5 people of 80 of 100 test have this disease

therefore, 5/80/100

.065

6 0

3 years ago

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