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Rufina [12.5K]
3 years ago
5

***Any links will be reported*******i will mark brainliest****​

Mathematics
2 answers:
Monica [59]3 years ago
6 0

Answer:

hambuger cheesebuger big mac whooper

Step-by-step explanation:

dolphi86 [110]3 years ago
3 0

Answer:

This is easy. Just to help you, and not necessarily cheat, it already tells you what the missing numbers are. So if a is 3, you can just go 2 x 3 x 3. when numbers are together like this, or letters, you multiply. (3(4), or 2a) You do that with the rest of your equations, and you will get your answers. But if this isn't what you having a problem with, then just tell me.

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An airplane has 100 seats for passengers. Assume that the probability that a person holding a ticket appears for the flight is 0
zmey [24]

Answer:

96.33% probability that everyone who appears for the flight will get a seat

Step-by-step explanation:

I am going to use the binomial approximation to the normal to solve this question.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

Can be approximated to a normal distribution, using the expected value and the standard deviation.

The expected value of the binomial distribution is:

E(X) = np

The standard deviation of the binomial distribution is:

\sqrt{V(X)} = \sqrt{np(1-p)}

Normal probability distribution

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

When we are approximating a binomial distribution to a normal one, we have that \mu = E(X), \sigma = \sqrt{V(X)}.

In this problem, we have that:

n = 105, p = 0.9

So

\mu = E(X) = np = 105*0.9 = 94.5

\sigma = \sqrt{V(X)} = \sqrt{np(1-p)} = \sqrt{105*0.9*0.1} = 3.07

What is the probability that everyone who appears for the flight will get a seat

100 or less people appearing to the flight, which is the pvalue of Z when X = 100. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{100 - 94.5}{3.07}

Z = 1.79

Z = 1.79 has a pvalue of 0.9633

96.33% probability that everyone who appears for the flight will get a seat

7 0
3 years ago
The fuel for a chainsaw is a mix of oil and gasoline.The label says to mix 6 ounces of oil and 16 ounces of gasoline. How much o
oee [108]
I believe that choice A is the best answer out of those given above.
Hope this helps and please enjoy Brainly! -ZeusROX
3 0
3 years ago
Read 2 more answers
Aaron designed a robot for a contest. His robot can move 3/4 feet in 1/2 second. What is the robot’s unit rate of speed in miles
Katena32 [7]

Answer:

1.02272727... mi per hr

Step-by-step explanation:

8 0
3 years ago
molly has alot of skirts she categorizes them as either "casular or "trendy" skirts. Molly has 8 "casual" skirts. if ger "trendy
lesya [120]

She owns 20 skirts in total.

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For every pound a company spends on advertising, it spends 43 pence
irakobra [83]

Answer:

20:9

Step-by-step explanation:

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2 years ago
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