Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get At least one correct answer.

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#Question id: 1969

#Section 2: General Biology

A bacterium has elements on its surface that are resistant to lysozyme. If an individual is infected with this bacterium, what is a probable consequence?

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#Question id: 1969

#Section 1: Engineering Mathematics

A bacterium has elements on its surface that are resistant to lysozyme. If an individual is infected with this bacterium, what is a probable consequence?

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#Question id: 1970

#Section 2: General Biology

What are antigens?

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#Question id: 1971

#Section 2: General Biology

If a newborn were accidentally given a drug that destroyed the thymus, what would most likely happen?

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#Question id: 1972

#Section 2: General Biology

Clonal selection implies that

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#Question id: 1973

#Section 2: General Biology

Clonal selection is an explanation for how