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Alinara [238K]
3 years ago
15

What does a z-score of -2 represent

Mathematics
1 answer:
iren [92.7K]3 years ago
3 0
That it is that many deviations away from the mean.
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A newborn baby has 26,000,000,000 cells. An adult has about 1.9×10³ times as many as a newborn. About how many cells does an adu
Alenkinab [10]
*Hint* the ^ just means that the following numbers are powers like 1.9x10^3 is same as 1.9x10³


To figure this out just multiply 

26000000000 × 1.9x10³ = 4.94x10¹³ cells in adults
6 0
3 years ago
The price of a radio was $20. It is on sale for $15. What is the percent of change in the price of a radio?
ki77a [65]

Answer:

15%

Step-by-step explanation:

set up 15/20=  x/100

cross multiply to solve for x

1500=20x

x= 75

15 dollars is 75% of the original price, so there was a 15% change

4 0
3 years ago
For each scenario below, choose the graph that gives the best representation (must view picture for questions A and B).
mr Goodwill [35]
Part A would be the second option, as well as part B
4 0
3 years ago
Read 2 more answers
PLZ Answer ASAP!
lilavasa [31]

Answer:

c

Step-by-step explanation:

consumers purchase an item that exceeds their available account balance.

3 0
3 years ago
Read 2 more answers
A cube number is rolled 20 times and lands on 1 two times and on 5 four times. Find each experimental probability. Then compare
kykrilka [37]
The experiment probabilities are listed below:

One:  2 out of 20 = 2 / 20 = 0.1  or 10%

Four:  5 out of 20 =  5 / 20 = 1 / 4 = 0.25 = 25%

The theoretical probability of any single number is 1 out of 6 or about 17%.

The experimental probability for ones was less than and for fours it was greater than the theoretical probability. 
4 0
3 years ago
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