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lozanna [386]
4 years ago
11

Steve will roll a number cube, numbered 1-6, twice. What is the probability

Mathematics
1 answer:
Leni [432]4 years ago
3 0

Answer:

25%

Step-by-step explanation:

First we calculate the probability of rolling a number greater than 3, that is, it can be 4, 5 or 6.

The probability of each number is 1/6, so:

P1 = (1/6) + (1/6) + (1/6) = 3/6 = 1/2

Then, we calculate the probability of rolling a prime number, that is, 2, 3 or 5.

As we have again 3 numbers, the probability P2 will also be 1/2

Then, the final probability is the product of both P1 and P2:

P = P1 * P2 = (1/2) * (1/2) = 1/4 = 25%

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garik1379 [7]

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Step-by-step explanation:

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A. 1 1/2<br><br> B.-3 3/8<br><br> C.3 3/8<br><br> D. -1 1/2
adell [148]

\implies {\blue {\boxed {\boxed {\purple {\sf { \: A. \:1 \frac{1}{2} }}}}}}

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}

- 2  \frac{1}{4}  \div ( - 1 \frac{1}{2} )

➼ \:  \frac{ - 9}{4}  \div(  \frac{ - 3}{2} )

➼ \:  \frac{ - 9}{4}  \times  \frac{ - 2}{3}

➼ \: \frac{ - 9 \times  - 2}{4 \times 3}

➼ \:  \frac{18}{12}

➼ \:  \frac{3}{2}

➼ \: 1  \frac{1}{2}

\large\mathfrak{{\pmb{\underline{\orange{Happy\:learning }}{\orange{.}}}}}

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