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ipn [44]
3 years ago
11

The __________ statement is a multiple-alternative decision structure which allows you to test the value of a variable or an exp

ression and then use that value to determine which statement or set of statements to execute.
Mathematics
1 answer:
Wittaler [7]3 years ago
3 0

The decision statement is a multiple-alternative decision structure which allows you to test the value of a variable or an expression and then use that value to determine which statement or set of statements to execute.

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What is the range of y = sin x?
Greeley [361]

Answer:

See below

Step-by-step explanation:

The function f(x)=sin(x) oscillates between -1 and 1, so the range is -1\leq x\leq 1.

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2 years ago
Which number line represents the solution set for the inequality 2x – 6 ≥ 6(x – 2) 8?
Hunter-Best [27]

Step-by-step explanation:

It's answer is x_> -27 by using inequality rule

6 0
2 years ago
There are 200 9th graders in the freshman class. 2/5 of the students are girls. How
alekssr [168]

Answer: 80

Step-by-step explanation:

7 0
2 years ago
Need help will give Brainly
asambeis [7]

Answer:

x = 323 in

Step-by-step explanation:

Given triangles are similar, so their corresponding sides would be in proportion:

3ft = 3*12 = 36 in

5ft 8 in = 5*12 + 8 = 68 in

14 ft 3 in = 14*12 + 3 = 171 in

\frac{3 \: ft}{14 \: ft \: 3 \: in}  =  \frac{5 \: ft \: 8 \: in}{x}  \\  \\  \frac{36}{171}  =  \frac{68}{x}  \\  \\ x =  \frac{171 \times 68}{36}  \\  \\ x =   \frac{11628}{36}  \\  \\ x = 323 \: in \:  \\  \\ x = 26 ft \: 11  in

4 0
3 years ago
An HP laser printer is advertised to print text documents at a speed of 18 ppm (pages per minute). The manufacturer tells you th
aliya0001 [1]

Answer:

0.227 = 22.7% probability that the mean printing speed of the sample is greater than 18.12 ppm.

Step-by-step explanation:

To solve this question, we need to understand the normal probability distribution and the central limit theorem.

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

Central Limit Theorem

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

Mean of 17.42 ppm and a standard deviation of 3.25 ppm.

This means that \mu = 17.42, \sigma = 3.25

Sample of 12:

This means that n = 12, s = \frac{3.25}{\sqrt{12}}

Find the probability that the mean printing speed of the sample is greater than 18.12 ppm.

This is 1 subtracted by the p-value of Z when X = 18.12.

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

By the Central Limit Theorem

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

Z = \frac{18.12 - 17.42}{\frac{3.25}{\sqrt{12}}}

Z = 0.75

Z = 0.75 has a pvalue of 0.773.

1 - 0.773 = 0.227

0.227 = 22.7% probability that the mean printing speed of the sample is greater than 18.12 ppm.

4 0
3 years ago
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