Question

12 packets of salt each marked 2 kg actually contained the following weights (in kg) of salt: 1.980,2.000,2.025,1.985,1.990,2.040,1.950,2.050,2.060,1.980,2.030,1.970 out of these packets one packet is chosen at random. what is the probability that the chosen packet contains more than 2 kg of salt? A) 1/12 B) 1/6 C) 1/4 D) 5/12

Answer 1

$\huge{\mathcal{Hi\: there!}}$

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Some experiments related to PROBABILITY :

$\underline{ \large { \bold{Experiment:}}}$

An operation which can produce some well-defined outcomes, is called an experiment.

Each outcome is called an event.

$\underline{ \large { \bold{Random\:Experiment:}}}$

An experiment in which all possible outcomes are known and the exact outcome cannot be predicted in advance, is called a random experiment.

$\underline{ \large { \bold{Empirical \: Probability :}}}$

Suppose we perform an experiment and let $n$ be the total number of trials. The empirical probability of happening of an event E is defined as

$\mathsf{p(e) = \frac{no \: of \: trials \: in \: which \: event \: happened}{total \: number \: of \: trials}}$

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For the solution of your question, see the above picture attached.

The correct option is [D] 5 / 12.

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Thanks for the question !

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