A student attends a 50 mark test. No negative | vedclass

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Question

(C) In a test of $50$ marks,the possible scores a student can obtain range from $0$ to $50$ inclusive.Total number of possible outcomes = $50 - 0 + 1

Vedclass · Accepted Answer

$\frac{2}{51}$

Vedclass · Answer

(C) In a test of $50$ marks,the possible scores a student can obtain range from $0$ to $50$ inclusive.Total number of possible outcomes = $50 - 0 + 1 = 51$.The student can score any integer value from $0, 1, 2, \dots, 50$.The favorable outcomes are scoring $30$ marks or $35$ marks.Number of favorable outcomes = $2$ (specifically the scores $30$ and $35$).Probability = $\frac{	ext{Number of favorable outcomes}}{	ext{Total number of possible outcomes}} = \frac{2}{51}$.

$A$ student attends a $50$ mark test. No negative marks are given in the test. Find the probability that he scores $30$ or $35$ marks.

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