The z-score is the ratio of the difference of sample and means to the standard deviation. Then the correct option is A.
<h3>What is a z-score?</h3>
The z-score is a numerical measurement used in statistics of the value's relationship to the mean of a group of values, measured in terms of standards from the mean.
The scores of an eighth-grade math test have a normal distribution with a mean of 83 and a standard deviation of 5. If the x is 92. Then the test score will be
The z-score will be given as
More about the z-score link is given below.
brainly.com/question/15016913
Answer:I believe it is $955.11
Step-by-step explanation:
Divide the interest by 12 (number of months) which comes to about $1.07 (rounded) multiply that by 12 which give you with how much the total interest is, add it by the total and boom
On the way to school, if the ratio of walkers to bus riders is 2:7, then the number of bus riders is 3.5 times<span> the number of walkers.</span>
Explanation:
7 is 3.5 times larger than 2.
2×3.5 = 7
Answer: 3.5
Step-by-step explanation:
L.H.s.
- 2csc2x
- 2/sin2x
- 2/(2sinxcosx)
- 1/sinxcosx
- [sin²x+cos²x]/sinxcosx
- sin x/cosx +cosx/sinx
- tanx+cotx
R.H.S.
- 1+ tan²x/tanx
- 1+tanx
- 1+sin x/cosx
- (cosx+sinx)/cosx