A die is thrown 1000 times with the frequencies for the outcomes 1-2-3-4-5 and 6 as given in the following table- array - c - c - Whine Outcome - 1 - 2 - 3 - 4 - 5 - 6 Wlliline Frequency - 165 - 175 - 180 - 150 - 145 - 185 illhline lend array What is the probability of getting a 2 or 4 -A- 0-325B- 0-455C- 0-515D- 0-245

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Standard VIII

Mathematics

Calculating Probability of an Event

A die is thro...

Question

A die is thrown 1000 times with the frequencies for the outcomes 1, 2, 3, 4, 5 and 6 as given in the following table:

$\begin{matrix} O u t c o m e & 1 & 2 & 3 & 4 & 5 & 6 F r e q u e n c y & 165 & 175 & 180 & 150 & 145 & 185 \end{matrix}$

What is the probability of getting a 2 or 4?

0.515

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0.245

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0.325

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0.455

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Solution

The correct option is C
0.325

Number of times a 2 or 4 appears when a die is rolled = 175 + 150 = 325

Number of times a die is thrown = 1000

Probability of getting a 2 or a 4 $= \frac{Number of times a 2 or 4 appears}{Number of times a die is thrown}$

$\Rightarrow P r o b a b i l i t y = \frac{325}{1000} = 0.325$

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A die is thrown 1000 times with the frequencies for the outcomes 1, 2, 3, 4, 5 and 6 as given in the following table: Outcome123456Frequency165175180150145185 What is the probability of getting a 2 or 4?

The correct option is C 0.325 Number of times a 2 or 4 appears when a die is rolled = 175 + 150 = 325 Number of times a die is thrown = 1000 Probability of getting a 2 or a 4 =Number of times a 2 or 4 appearsNumber of times a die is thrown ⇒Probability=3251000=0.325

A die is thrown 1000 times with the frequencies for the outcomes 1, 2, 3, 4, 5 and 6 as given in the following table:

$\begin{matrix} O u t c o m e & 1 & 2 & 3 & 4 & 5 & 6 F r e q u e n c y & 165 & 175 & 180 & 150 & 145 & 185 \end{matrix}$

What is the probability of getting a 2 or 4?