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Andru [333]
3 years ago
15

Sebuah LSM akan mengirim 5 utusan untuk mengikuti suatu konferensi. Kelima utusan tersebut terdiri dari 3 wanita dan 2 pria. Kel

ima orang tersebut akan dipilih dari pengurus harian yang terdiri dari 6 wanita dan 3 pria. Peluang memilih ke lima utusan tersebut adalah
Mathematics
1 answer:
jolli1 [7]3 years ago
7 0
Peking itis an until mengikutu dusty konferensi Klein’s itis an.
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How can you use a compatible number to estimate a quotient when dividing a decimal by a whole number?
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Answer: just follow these simple steps!

Step-by-step explanation:

1. Estimate the quotient.

2. Perform the division. Remember to place a zero in the quotient when the divisor is larger than the dividend. ...

3. Compare your estimate with your quotient to verify that the answer makes sense.

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A publisher reports that 344% of their readers own a particular make of car. A marketing executive wants to test the claim that
inysia [295]

Answer:

No, there is not enough evidence at the 0.02 level to support the executive's claim.

Step-by-step explanation:

We are given that a publisher reports that 34% of their readers own a particular make of car. A random sample of 220 found that 30% of the readers owned a particular make of car.

And, a marketing executive wants to test the claim that the percentage is actually different from the reported percentage, i.e;

Null Hypothesis, H_0 : p = 0.34 {means that the percentage of readers who own a particular make of car is same as reported 34%}

Alternate Hypothesis, H_1 : p \neq 0.34 {means that the percentage of readers who own a particular make of car is different from the reported 34%}

The test statistics we will use here is;

                T.S. = \frac{\hat p -p}{\sqrt{\frac{\hat p(1- \hat p)}{n} } } ~ N(0,1)

where, p = actual % of readers who own a particular make of car = 0.34

            \hat p = percentage of readers who own a particular make of car in a

                  sample of 220 = 0.30

            n = sample size = 220

So, Test statistics = \frac{0.30 -0.34}{\sqrt{\frac{0.30(1- 0.30)}{220} } }

                             = -1.30

Now, at 0.02 significance level, the z table gives critical value of -2.3263 to 2.3263. Since our test statistics lie in the range of critical values which means it doesn't lie in the rejection region, so we have insufficient evidence to reject null hypothesis.

Therefore, we conclude that the actual percentage of readers who own a particular make of car is same as reported percentage and the executive's claim that it is different is not supported.

3 0
3 years ago
The reaction 2Na(s) + Br₂(l) ➞ 2NaBr(s) is a(n) __________ reaction. *
Nesterboy [21]

Answer:

Step-by-step explanation:

There is no precipitate. NaBr is very soluble.

It is not a double replacement. There is only 1 product. Double replacements have two.

It is not a decomposition. If this equation was written backwards, the reaction would be a decomposition.

It must be a synthesis.

4 0
3 years ago
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