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Brums [2.3K]
3 years ago
5

Please help me!!!!

Mathematics
2 answers:
Anvisha [2.4K]3 years ago
7 0

Answer:

i got b and d

Step-by-step explanation:

Otrada [13]3 years ago
7 0

Answer:

answer is id.k

Step-by-step explanation:

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A certain insecticide kills 80% 80% of all insects in laboratory experiments. A sample of 14 insects is exposed to the insectici
Anna [14]

Answer: The probability that exactly 2 insects will survive = 0.2501

Step-by-step explanation:

Given: A certain insecticide kills 80% of all insects in laboratory experiments.

The probability that a particular insect survives= 1-0.80=0.20

Sample size: n=14

Binomial probability distribution:

P(X=x)=\ ^nC_xp^x(1-p)^{n-x}, where x= number of successes , p=probability of success in each trial, n= sample size.

The probability that exactly 2 insects will survive = ^{14}C_2(0.20)^2(0.80)^{12}

\\\\=\dfrac{14!}{2!12!}(0.04)(0.068719476736)\\\\=0.2501

Hence, the probability that exactly 2 insects will survive = 0.2501

6 0
3 years ago
Examine the expanded form. y ∙ y ∙ y ∙ y ∙ y ∙ y ∙ y ∙ y ∙ y ∙ y Which represents the expanded form in exponential form? 10y 10y
Drupady [299]

Answer:

y^{10}

Step-by-step explanation:

When you do that operation, the <em>y</em>'s become an exponential.

5 0
3 years ago
The circumference is 1 mile. What is the diameter?
iren2701 [21]

Answer:

Step-by-step explanation:

circumference  = 2* pi * radius = 1

-> radius = 0.1592 mile

-

> diameter = 2* radius = 0.31847 mile

8 0
3 years ago
The radii of the planets in the solar system are given. Arrange the planets in increasing order by the lengths of their radii.
kakasveta [241]

Answer:

answer below. :)

Step-by-step explanation:

mercury

neptune

uranus

mars

saturn

venus

earth

jupiter

hope this helps plz give brainliest :(

4 0
4 years ago
Peter brought chocolate and vanilla cupcakes to school for his birthday. 2 students picked a vanilla cupcake and 23 students pic
erma4kov [3.2K]

Answer:

8%

Step-by-step explanation:

Add 2 and 23 together to get 25.

Divide 2 by 25 to get 0.08.

Covert 0.08 into percentage: 8%

4 0
3 years ago
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