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Afina-wow [57]
3 years ago
10

PLS ANSWER THIS I ONLY HAVE 18 MIN!!!! ANSWER CORRECT AND ILL GIVE BRAINLIEST

Mathematics
1 answer:
Nookie1986 [14]3 years ago
3 0
30ft2.




i think i’m not sure
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Yes

Step-by-step explanation:

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A standardized test was given to a set of high school juniors and the distribution of the data is bell shaped. The mean score is
stira [4]

Answer:

920 points.      

Step-by-step explanation:    

We have been given that the mean score for a standardized test is 800 and the standard deviation is 120. To qualify for a special summer camp for accelerated students, a student must score within the top 16% of all scores on the test.

First of all we will find probability of 0.16 using normal distribution table.

Using normal distribution our Z score will be 0.994458

Now we will use raw-score formula to find the score (x) that a student must make to qualify for summer camp.  

x=\text{Mean}+\text{ Standard deviation* Z score}

Upon substituting our given values in above formula we will get,

x=800+120\times 0.994458

x=800+119.33496

x=919.33496

Upon rounding to nearest whole number we will get,

x=920

Therefore, a student must make 920 points to qualify for summer camp.

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3 years ago
How many two person can be picked out of a group of 7
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{7 \choose 2}=\dfrac{7!}{2!5!}=\dfrac{6\cdot5}{2}=3\cdot5=15
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A glass is 1/3 full. Then 40cm³ of
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1 year ago
How do you find the answer to write 25/5 as a whole number
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You divide 25 by 5, which is 5
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