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3 years ago

Find a ratio equivalent to 8/3. Then, use te ratios to write a proportion

2 answers:

8 0

A ratio that is equivalent to 8/3 is 16/6.

Because:- 8*2= 16
3*2=6

16/6 is equivalent to 8/3

Writing a proportion:-

8/3=16/6

Natali [406]3 years ago

6 0

16/6 because 8x2=16 and 3x2=6
8/3=16/6

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Answer:

1st: 0.04, 0.04, 0.25, 0.4

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Step-by-step explanation:

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3 years ago

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dangina [55]

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Step-by-step explanation:

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3 years ago

Each year, all final year students take a mathematics exam. It is hypothesized that the population mean score for this test is 8

drek231 [11]

Answer:

95% Confidence interval: (96.06,103.94)

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 85

Sample mean, $\bar{x}$ = 100

Sample size, n = 30

Alpha, α = 0.05

Population standard deviation, σ = 11

95% Confidence interval:

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

$100 \pm 1.96(\frac{11}{\sqrt{30}} ) = 100 \pm 3.94= (96.06,103.94)$

(96.06,103.94) is the 95% confidence interval for the population mean test score.

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3 years ago

does the assumption of a poisson distribution with a mean of 6.0 seem appropriate as a probability model for these data? use 0.0

Alenkasestr [34]

The Poisson distribution with a mean of 6.0 is an appropriate model.

In mathematics and statistics, the concept of mean is crucial. The most typical or average value among a group of numbers is called the mean.
It is a statistical measure of a probability distribution's central tendency along the median and mode. It also goes by the name "expected value."
There are different ways of measuring the central tendency of a set of values. There are multiple ways to calculate the mean. Here are the two most popular ones:
Arithmetic mean is the total of the sum of all values in a collection of numbers divided by the number of numbers in a collection.

Hence, The Poisson distribution with a mean of 6.0 is an appropriate model.

learn more about mean click here:

brainly.com/question/1136789

#SPJ4

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1 year ago