Answer:
<em>n = 6 </em>
Step-by-step explanation:
2.3 × = (1 × 10³)(2.3 ×
)
(1 × 10³)(2.3 × ) = (1)(2.3) × (10³)(
) = 2.3 ×
2.3 × = 2.3 ×
⇒ 3 + n = 9 ⇒ <em>n = 6</em>
Please help me in this question
1 answer:
Number defective=4
number of non-defective=total-defective
=20-4
=16
the questions asked for 1 defective
so we choose only 1 defective from 4 defective items
4C1
and for 1 non-defective
we choose only 1 non-defective from 16 non-defective items
16C1
we choose 2 items from 20 items
so 20C2
answer:
probability= [(4C1) * (16C1)] /(20C2)
=32/95
number of non-defective=total-defective
=20-4
=16
the questions asked for 1 defective
so we choose only 1 defective from 4 defective items
4C1
and for 1 non-defective
we choose only 1 non-defective from 16 non-defective items
16C1
we choose 2 items from 20 items
so 20C2
answer:
probability= [(4C1) * (16C1)] /(20C2)
=32/95
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a) 2.5
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Step-by-step explanation:
a)
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b)
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