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Applied Mathematics · 2025 · 2 marks
CBSE 2025 · Central · Set 4 · Q25
(a) If a fair coin is tossed 6 times, find the probability of getting atleast 4 heads.
(a)
If a fair coin is tossed $\displaystyle 6$ times, find the probability of getting atleast $\displaystyle 4$ heads.
OR
(b)
Given that mean of a normal variate X is $\displaystyle 9$ and standard deviation is $\displaystyle 3$, then find :
(i)
the z-score of the data point $\displaystyle 15$
(ii)
the data point if its z-score is 4.
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CBSE Class 12 Applied Mathematics past-paper question from the 2025 board exam. Where our answers come from.