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3 years ago

7

What is the condition on the probability of success p that will guarantee the histogram of a binomial distribution is symmetrica

l about x=n/2. Justify your answer

1 answer:

valentina_108 [34]3 years ago

6 0

Answer:

The shape of a binomial distribution is symmetric when p = 0.5

Step-by-step explanation:

The attached graphic shows the symmetric binomial form.

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Solve. 3 + x > -9 A) x > 3 B) x > -6 C) x > -3 D) x > -12

IRISSAK [1]

so did you get what I solved the answer is D ok

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2 years ago

without using a calculator decide which option is better value for money: 300g Jelly beans $5.80 or 500g Jelly beans $9.90

yarga [219]

Answer:

500g Jelly beans $9.90

Step-by-step explanation:

To know the values.

Let's know how much a gram will cost in each case

300g Jelly beans $5.80

1g = 5.8/300

1 g = 0.01933

500g Jelly beans $9.90

1g = 9.9/500

1g =0.0198

It's obvious that the second one has more value placed on it as it cost more per gram

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2 years ago

What is sin(A)?<br> 13<br> 12<br> A<br> 5<br> sin(A) =

eimsori [14]

Answer:

sin A = 12/13

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

sin theta = opposite side/ hypotenuse

sin A = 12/13

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2 years ago

Peter has 30 pens and Tony has 14 pens .How many pens must Tony give Peter so that Peter shall have 3 times as many as Tony?

Svetradugi [14.3K]

Answer:

Let p be the number of pencils.

3(14-p)=30+p

42-3p=30+p

4p=12, p=3.

So Peter ends up with 33 and Tony with 11. 3*11=33, so that confirms that Tony gave Peter 3 pencils.

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3 years ago

A manufacturer of mosquito repellent claims that the average amount of time their repellent is effective is at least 3.5 hours.

natta225 [31]

Answer:

Hypothesis Testing:

Manufacturer claims that the average of time their mosquito repelllent is effective is at least 3.5hrs l.e μ ≥ 3.5hrs

Step-by-step explanation:

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2 years ago