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3 years ago

Help w/ Geometry!!

Mathematics

1 answer:

BaLLatris [955]3 years ago

7 0

Answer:

If the shape is a square,then it is a rectangle.

Step-by-step explanation:

The hypothesis of the statement is the one which follows after if,

If the shape is a square.

The conclusion of the statement is the sentence that follows after then,

Then it is a rectangle.

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The probability that a lab specimen contains high levels of contamination is 0.10. A group of 4 independent samples are checked.

galben [10]

Answer:

a) 0.6561

b) 0.2916

c) 0.3439

Step-by-step explanation:

We are given the following information:

Let us treat high level of contamination as our success.

p = P(High level of contamination) = P(success) = 0.10

n = 4

The, by binomial distribution:

$P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}\\\text{where x is the number of success}$

a) P(No high level of contamination)

We put x = 0, in the formula.

$P(X=0) = \binom{4}{0}.(0.10)^0.(1-0.10)^{4} =0.6561$

Probability that no lab specimen contain high level of contamination is 0.6561

b) P(Exactly one high level of contamination)

We put x = 1, in the formula.

$P(X=1) = \binom{4}{1}.(0.10)^1.(1-0.10)^{3} =0.2916$

Probability that no lab specimen contain high level of contamination is 0.6561

c) P(At least one contains high level of contamination)

$p(x \geq 1) = 1 - p( x = 0) = 1 - 0.6561 = 0.3439$

Probability that at least 1 lab specimen contain high level of contamination is 0.3439

8 0

3 years ago

Kevin works as a salesperson at a store that specializes in custom made computers. He earns a base pay of 325$ per week and a co

Luden [163]

Answer:
Kevin made $800 in commissions last week.

Explanation:
Since we know that he only makes money in two ways, by base salary and commission, we know that added together they equal his whole pay.

Therefore we can set up the following equation and solve for his commission amount. 
Total Pay = Base Pay + Commissions.
1125 = 325 + Commissions.
800 = Comissions.

3 0

4 years ago

Read 2 more answers

What’s the perimeter of this rectangle 2,5+D and 4-1,3D

koban [17]

Answer:

The result can be shown in multiple forms.

Exact Form:

2,5+D,4-1,3D

Decimal form;

2,5+D,3,3D

Step-by-step explanation:

To find the perimeter of a rectangle, add the lengths of the rectangle's four sides. If you have only the width and the height, then you can easily find all four sides (two sides are each equal to the height and the other two sides are equal to the width). Multiply both the height and width by two and add the results.

6 0

3 years ago

What is the answer for this equation 600 is 4/9 of what number

horrorfan [7]

Answer:

933.3333333

Step-by-step explanation:

6 0

3 years ago

If P(-4,-2) and Q(1, -3) represent points in a coordinate

Artyom0805 [142]

Answer:

the answer is (6, -4)

Step-by-step explanation:

4 0

4 years ago