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Zarrin [17]
2 years ago
11

A rate is a ratio? ( sometimes, always or never true?)

Mathematics
2 answers:
Brums [2.3K]2 years ago
7 0

Answer:

The answer is never true

Step-by-step explanation:

Can you please give me brainliest

Naddika [18.5K]2 years ago
6 0
The answer is never true :)
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What is the solution to 0.25t = 0.25 - t ?
Ede4ka [16]

i think it's t=0.2    Hope it helps:)

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In a fish tank, there are 24 goldfish, 2 angel fish, and 5 guppies. if a fish is selected at random, find the probability that i
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There are a total of 31 fish in the tank. Therefore, the probability of it being a goldfish is 24/31 or about 77.4%, since there are 24 goldfish. The probability of it being an angel fish is 2/31 or about 6.45%, for the same reason as before. 
3 0
3 years ago
According to the American Community Survey, 27% of residents of the United States 25 years old or older had earned a bachelor de
oksian1 [2.3K]

a. The reason why this question is a binomial experiment is based on the fact that it is made up of an independent sample, it has a number that is fixed and a probability.

Each event is made up of two outcomes and they are random with the same success rate.

<h3>b. How to solve probability that exactly 5 had a bachelor</h3>

we have the following data n = 12, p = 0.27 and k = 5

We have to use the function to solve electronically

binompdf(n,p,k)

input the values

= binompdf(12,0.27,5)

This gives us

= 0.1255

<h3>(C) Probability that fewer than 5 have bachelor</h3>

We use the formula below

= binompdf(12,0.27,5-1)

This is = 0.7984

D. Probability of at least 5

1 - probability of fewer than 5

= 1 - 0.7984

= 0.2016

How to solve for the Mean = n*p

n = 12 , p = 0.27

Mean = 12*0.27 = 3.24

and

standard deviation = √npq

n = 12, p = 0.27 , q = 1- 0.27

= 0.73

sd = √12*.27*.73

= 1.54

Read more on binomial experiment here:

brainly.com/question/9325204

#SPJ1

3 0
2 years ago
Who wants 2 be friends? &lt;3
zalisa [80]

Answer:

Sure

Step-by-step explanation:

7 0
3 years ago
Can’t figure out number 3 please help
Deffense [45]

To figure this out, you need to divide 28/8 to get the cost per hinge from Marks hardware

To figure out Steves Supplies cost per hinge you need to divide 38/11

Mark's = 28 / 8 = $3.50

Steve's = 38/11 = 3.45

Steve has the best deal because it cost $3.45 per hinge. The answer is C

4 0
3 years ago
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