Tag: force and its effects

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Multiple choice physics along with motion what forces can do? force and it's unit force and its effects

If $f(x) = \dfrac {1}{\sqrt {2\pi}} e^{-\dfrac {x^{2}}{2}}$, then for which of the following values of $x$ does $f(x) = 0.33$?

  1. $0.62$

  2. $0.71$

  3. $1.36$

  4. $3.93$

  5. $4.95$
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A Correct answer
Explanation

The function is the standard normal distribution density. Solving 1/sqrt(2*pi) * exp(-x^2 / 2) = 0.33 requires evaluating the normal distribution table or a calculator. For x=0.62, f(0.62) is approximately 0.33.