Answer:
Step-by-step explanation:
1. A = P(1 + rt) is the formula for simple interest where A is the final amount, P is the principal amount, r is the interest rate (annual), and t is the number of time periods, or time in years (most often)
2. $25 of interest means your total amount will be $275, so A = $275. P = $250. r = .04. We are trying to find t.
3. $275 = $250(1+.04t)
4. (275/250)(1.04) = t t = 1.05
5. This means you will need to wait 2 years to earn $25 in interest
Pick the following
x = 0 in which case
2y = 11 and
y = 11/2
y = 5.5
============
x = 1
2y = 5x + 11
2y = 5*1 + 11
2y = 5 + 11
2y = 16
y = 8.
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x = - 2 and x = - 10 are done the same way.
Answer:
Step-by-step explanation:
Hello!
The variable of interest is
X: mark obtained in an aptitude test by a candidate.
This variable has a mean μ= 128.5 and standard deviation σ= 8.2
You have the data of three scores extracted from the pool of aptitude tests taken.
148, 102, 152
The average is calculated as X[bar]= Σx/n= (148+102+152)/3= 134
An outlier is an observation that is significantly distant from the rest of the data set. They usually represent experimental errors (such as a measurement) or atypical observations. Some statistical measurements, such as the sample mean, are severely affected by this type of values and their presence tends to cause misleading results on a statistical analysis.
Using the mean and the standard deviation, an outlier is any value that is three standard deviations away from the mean: μ±3σ
Using the population values you can calculate the limits that classify an observed value as outlier:
μ±3σ
128.5±3*8.2
(103.9; 153.1)
This means that any value below 103.9 and above 153.1 can be considered an outlier.
For this example, there is only one outlier, that this the extracted score 102
I hope this helps!
Answer:
2a(b) - c
Step-by-step explanation:
343/64
Step by step explanation This is how I got the answer to your question and I gave you the solution I hope this helps you out
