An array of 30 LED bulbs is used in an automotive light. The probability that a bulb is defective is 0.001 and defective bulbs occur independently. Determine the following: (a) Probability that an automotive light has two or more defective bulbs. (b) Expected number of automotive lights to check to obtain one with two or more defective bulbs.

Q: 2/5+4/8

A: We have to find the sum

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A: The mean is computed below.   Aptitude score(x) Frequency(f) x*f 0 4 0 1 2 2 2 3 6 3 0 0…

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A:

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A: State the hypotheses.   Obtain the value of the test statistic. The value of the test statistic is…

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A: Given problem is

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A: Given: 4(5+6)=

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A: The given expression is 3/8 + 5/24.Simplify the given expression as follows.

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A:

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A: We will evaluate the required value.

Q: limx→- f(x) limo+ f(x) limx→ = = =

A:

Q: (24) Half the product of a number t and 48

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A:

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A:

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