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erma4kov [3.2K]
3 years ago
9

The random variable x represents the number of dogs per household in a town with 1,000 households. Find the probability of rando

mly selecting a household with zero dogs. Round the answer to the nearest hundredth.
Dogs 0 1 2 3
Households 348 555 79 18
Mathematics
1 answer:
Elan Coil [88]3 years ago
8 0

Answer:

0.35

Step-by-step explanation:

P(0) = 348/1000

0.348

0.35 to the nearest hundredth

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a store sells 14.5- ounces cans of tomatoes for $0.89 each. if the store sells 35 cans one day, how many total ounces of tomatoe
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Answer:

451.675

Step-by-step explanation:

14.5x35=507.5

507.5x0.89=451.675

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Use a truth table to verify the first De Morgan law (p ∧ q)’ ≡ p’ ∨ q’.
Nutka1998 [239]

Answer:

(p ∧ q)’ ≡ p’ ∨ q’

Step-by-step explanation:

First, p and q have just four (4) possibilities, p∧q is true (t) when p and q are both t.

p ∧    q

t t t

t f f

f f t

f f f

next step is getting the opposite

(p∧q)'

    <em>f</em>

<em>     t</em>

<em>     t</em>

<em>     t</em>

Then we get p' V q', V is true (t) when the first or the second is true.

p' V  q'

f  <em>f</em>  f

f  <em>t</em>  t

t  <em>t</em>  f

t  <em>t</em>  t

Let's compare them, ≡ is true if the first is equal to the second one.

(p∧q)'   ≡     (p' V q')

    <em>f              f </em>

<em>     t              t</em>

<em>     t              t</em>

<em>     t              t</em>

Both are true, so

(p ∧ q)’ ≡ p’ ∨ q’

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Answer:

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