Help please! I got the answer wrong the first timee and im having trouble understanding!!!
2 answers:
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Answer:
The appropriate solution is:
(a) 0.1056
(b) 0
(c) 0.9544
Step-by-step explanation:
The given values are:
Mean,
Standard deviation,
(a)
⇒
By using the table, we get
(b)
According to the question, the values are:
= 64
= 75
Now,
⇒ =
=
=
=
⇒
By using the table, we get
(c)
As we know,
⇒ =
=
=
=
then,
=
=
=
=
By using the table, we get
=
=
Answer:
x > 4
Step-by-step explanation:
Calling x the number of days Rita needs to bake the total amount of cakes, then inequality is x*8 > 32. Because she has orders for more than 32 cakes and can make 8 cakes per day. Dividing by 8 every side of the inequality gives: x > 4. Graph of the solution is attached (notice that 4 is not included).
