Answer:
Option A = 8t
Step-by-step explanation:
6t + 3t - 8t = t
6t + 3t = 9t
9t - 8t = t
Answer:
Step-by-step explanation:
We know that normal distribution as special characteristics such as symmetry, unimodal, no skewness, mean =median=mode, etc
A standardized variable for normal variable X is
will be normal with mean =0 and sigma =1
The probability will be divided equally on either side of the mean =0 i.e. y axis
Hence the answers would be
A standardized variable always has a mean of __0_____ and a standard deviation of ___1____. b. The z-score corresponding to an observed value of a variable tells you ____the std normal score.___. c. A positive z-score indicates that the observation is __to the right ____ the mean, whereas a negative z-score indicates that the observation is __to the left_____ the mean
Solution -
A student who was skeptical about this value decided to conduct a survey by randomly sampling 36 students. On average, the sampled students slept 6.6 hours per night.
The sample mean is the average of the 36 sampled students, which is 6.6 hours. So 6.6 represents the <u><em>sample mean.</em></u>
College newspaper stated that college students get an average of 7 hrs of sleep each night.
The claimed population mean is the stated average from the newspaper article, which is 7 hrs. So 7 represents the <u><em>claimed population mean.</em></u>
ANSWER:
168
EXPLANATION:
27 - 13 = 14
14 is one twelfth of the number
so 14 x 12 = 168
Answer:
A. 
Step-by-step explanation:
Find two quantities that when added to −10, they are also multiplied to 25, and that number is a double −5.
I am joyous to assist you anytime.