Answer:
5
Step-by-step explanation:
3/4*10=7.5, so 1/2*10 is the amount of lemon juice you need, which is 5
I guess that u = μ & that a=σ. If so:
μ =100 & that σ =20 & x=20
Z score = (x-μ) / σ ==> Z score = (90-100)/20 ==> Z = - 0.5
It would be written out as "number eight".
