Answer:
so 30
Step-by-step explanation:
it sold be 30 t0 50 that is it
A was A for the fun of it also I’m just putting anything down cause I put no question
Answer:
b.
Step-by-step explanation:
cause 18/100 is 0.18, I don't really know how to explain it, I just know that if the percentage is one digit then it will be 0.02 (2 is for example) and if it's two digits it will be 0.21
Calculating the z scores for each student:
zTara = (52-64 )/8 = -12/8 = -1.5
zJamal = (82-64)/8 = 18/8 = 2.25
zSamuel = (66-64)/8 = 2/8 = 0.25
From the z score table, the probability of Tara's score being greater than -1.5 is 0.0668. Therefore, the percentage is 0.0668*100 = 6.68% which means that around 7% of the students got a better mark than Tara, with 93.32% of the students scoring lower than her.
The probability of Jamal's score being greater than 2.25 is 0.0122, therefore the percentage is 0.0122*100 = 1.22% implying that around 1% of the students got a better mark than Jamal.
The probability of Samuel's score being greater than 0.25 is 0.4013, therefore the percentage is 0.4013*100 = 40.13% which means that around 40% of the students got a better mark than Samuel, with 59.87% of the students scoring lower than him.
Answer:
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