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valina [46]
3 years ago
7

If 8 girls brought a lunch box and 6 boys didnt what is the probability of a student bringing one.

Mathematics
1 answer:
laila [671]3 years ago
7 0

Answer:

0.57 or 4÷7

Step-by-step explanation:

p(event)=<em>n(</em><em> </em><em>p</em><em>o</em><em>s</em><em>s</em><em>i</em><em>b</em><em>l</em><em>e</em><em> </em><em>event) ÷ total n(sample space)</em>

<em>t</em><em>o</em><em>t</em><em>a</em><em>l</em><em> </em><em>n</em><em>(</em><em>s</em><em>a</em><em>m</em><em>p</em><em>l</em><em>e</em><em> </em><em>s</em><em>p</em><em>a</em><em>c</em><em>e</em><em>)</em><em> </em><em>=</em><em>6</em><em>+</em><em>8</em><em> </em><em>=</em><em>1</em><em>4</em>

<em>n</em><em>(</em><em> </em><em>p</em><em>o</em><em>s</em><em>s</em><em>i</em><em>b</em><em>l</em><em>e</em><em> </em><em>e</em><em>v</em><em>e</em><em>n</em><em>t</em><em>)</em><em> </em><em>=</em><em>8</em>

<em>p</em><em>(</em><em>a</em><em> </em><em>s</em><em>t</em><em>u</em><em>d</em><em>e</em><em>n</em><em>t</em><em> </em><em>b</em><em>r</em><em>i</em><em>n</em><em>g</em><em>i</em><em>n</em><em>g</em><em> </em><em>o</em><em>n</em><em>e</em><em>)</em><em> </em><em>=</em><em> </em><em>8</em><em> </em><em>÷</em><em> </em><em>1</em><em>4</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em> </em><em>4</em><em> </em><em>÷</em><em> </em><em>7</em><em> </em><em>o</em><em>r</em><em> </em><em>0</em><em>.</em><em>5</em><em>7</em><em>(</em><em>d</em><em>p</em><em>)</em>

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