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The value of z₁ / z₂ = (4 - j) / (2 + 5j) in euler form given as
An equation is an expression that shows the relationship between two or more variables and numbers.
z₁ / z₂ = (4 - j) / (2 + 5j)
= [ (4 - j) / (2 + 5j)] * [ (2 - 5j) / (2 - 5j)] = 0.448 + 0.62j = 0.766∠54.2°
The value of z₁ / z₂ = (4 - j) / (2 + 5j) in euler form given as
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Answer:
There is a 24.3% probability that one of the calculators will be defective.
Step-by-step explanation:
For each calculator, there are only two possible outcomes. Either it is defective, or it is not. So we use the binomial probability distribution to solve this problem.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
In which is the number of different combinations of x objects from a set of n elements, given by the following formula.
And p is the probability of X happening.
The probability of a defective calculator is 10 percent.
This means that
If 3 calculators are selected at random, what is the probability that one of the calculators will be defective
This is P(X = 1) when n = 3. So
There is a 24.3% probability that one of the calculators will be defective.