I don’t speak Spanish but if you put the English trans in the comments I’d love to answer
Step-by-step explanation:
z = (specific score - mean) / standard deviation
in our case
z = (105 - 101)/4.2 = 4/4.2 = 0.952380952... ≈ 0.95
as z-tables usually round the z-scores to hundredths.
Answer:
i-its 4....
Step-by-step explanation:
It could be 22 tho. but its 4 ->-
Answer:
5a
Not sure if this is correct !
Answer:
36
Step-by-step explanation:
Number of boys = 30
also, Number of boys = 10(number of girls/2)
∴ 30 = 10(number of girls/2)
30×2 = 10(number of girls)
⇒ number of girls = 
⇒ number of girls = 6
Total number of girls and boys = 30 + 6 = 36