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vladimir2022 [97]
3 years ago
10

What is meant by the term observed frequencies (O)?

Mathematics
1 answer:
cestrela7 [59]3 years ago
4 0

Answer:

  • The term observed frequencies are found in the sample.

Hence, option 'd' is correct.

Step-by-step explanation:

Unlike the expected frequency which is obtained based on prediction, the observed frequency is the actual frequency that is determined from the experiment.

Therefore, we conclude that

  • The term observed frequencies are found in the sample.

Hence, option 'd' is correct.

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Answer:

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Step-by-step explanation:

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Answer: Mean = 5.25

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Step-by-step explanation:

The mean and variance of a binomial distribution with parameters n (number of trials) and p ( the probability of getting success in each trial) is given by :-

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\text{Mean}=7(0.75)=5.25\\\\\text{Variance}=7(0.75)(0.25)=1.3125\\\\\Rightarrow\ \text{Standard deviation}=\sqrt{1.3125}=1.14564392374\approx1.1456

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Put these groups of numbers starting with the smallest 1.506, 1.06, 1.501, 1.605​
maks197457 [2]
1.06
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6 0
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Find f(-5) if f(x)=lx+1l<br>A.6<br>b.5<br>c.4​
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Answer:

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Step-by-step explanation:

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