A die is thrown 1000 times with the following frequency for the outcomes 1-2-3-4-5 and 6 as given below - array - c - c -lendarrayi Find the probability of getting a 4 or a 6ii Find the probability of getting a multiple of 3 - 2 MARKS-

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Standard VII

Mathematics

Frequency

A die is thro...

Question

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

$\begin{matrix} Outcome & 1 & 2 & 3 & 4 & 5 & 6 frequency & 179 & 150 & 157 & 149 & 175 & 190 \end{matrix}$

(i) Find the probability of getting a 4 or a 6
(ii) Find the probability of getting a multiple of 3 [ 2 MARKS]

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Solution

Solution:1 Mark each

Number of times a 4 or a 6 was rolled = 149 + 190 = 339
Probability = 339/1000 = 0.339
Number of times a 3 or a 6 was rolled = 157 + 190 = 347
Probability of rolling a multiple of 3 = 347/1000 = 0.347

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A die is thrown 1000 times with the following frequency for the outcomes 1, 2, 3, 4, 5 and 6 as given below : Outcome123456frequency179150157149175190 (i) Find the probability of getting a 4 or a 6 (ii) Find the probability of getting a multiple of 3 [ 2 MARKS]

Solution:1 Mark each Number of times a 4 or a 6 was rolled = 149 + 190 = 339 Probability = 339/1000 = 0.339 Number of times a 3 or a 6 was rolled = 157 + 190 = 347 Probability of rolling a multiple of 3 = 347/1000 = 0.347

Solution:1 Mark each

Number of times a 4 or a 6 was rolled = 149 + 190 = 339
Probability = 339/1000 = 0.339
Number of times a 3 or a 6 was rolled = 157 + 190 = 347
Probability of rolling a multiple of 3 = 347/1000 = 0.347