The answer is C, as x goes to negative infinity and positive infinity, g(x) goes to negative infinity.
PLEASE HELP: It cost $8.31 to power one laptop computer for one year. How much does it cost to power 10 for one week? ROUND to t
2 answers:
- For 1 year or 365 days, to power 1 laptop computer, it costs $8.31.
- For 1 day, to power 1 laptop computer, it costs $
- For 1 week or 7 days, to power 1 laptop computer, it costs $
- For 1 week, to power 10 laptop computers, it costs $
<u>A</u><u>nswer:</u>
<u>$</u><u> </u><u>1</u><u>.</u><u>5</u><u>9</u><u>.</u>
Hope you could get an idea from here.
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Answer:
35.2% probability that the sample mean will be 246 pages or more
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 normally distributed samples are solved using the z-score formula.
In a set with mean and standard deviation
, the zscore of a measure X is given by:
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.
Central Limit Theorem
The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean and standard deviation
, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean
and standard deviation
.
For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.
In this question, we have that:
What the probability that the sample mean will be 246 pages or more?
This is 1 subtracted by the pvalue of Z when X = 246. So
By the Central Limit Theorem
has a pvalue of 0.6480.
1 - 0.6480 = 0.3520
35.2% probability that the sample mean will be 246 pages or more
The correct option is (A). The solution of the equation is x=48.125.
Given an equation .
A statement that uses the equal sign to show that two expressions have the same value is called an equation. The equation is represented as ax+by=c.
Firstly, we will apply the distributive property to the given equation a×(b+c)=ab+ac, we get
Now, we will simplify the right-hand side equation by taking LCM, we get
Further, we will multiply both sides with 77, we get
77×(96x/77)=77×60
96x=4620
Then, we will divide both sides with 96, we get
96x/96=4620/96
x=48.125
Hence, the solution of the given equation is x=48.125.
Learn more about solution of equation from here brainly.com/question/1477785
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