CutiePie6772
26.07.2019 •
Mathematics
The scores on a standardized test are normally distributed with the mean of 750 and standard deviation 70. find the probability that a score is between 750 and 890. 2.28% 47.7% 50% 13.6%
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Ответ:
The answer is C.47.7 im vary sorry if the answer is incorrect! hope this helped!
Have a nice day
Ответ:
4
Step-by-step explanation: We can actually make the two equal each other like so:
3d-4=12d/6
Multiply both sides by 6:
18d-24=12d
Add 24 to both sides:
18d=12d+24
Subtract 12d from both sides:
6d=24
Divide by 6:
d=4
4