30 + 70 + D = 180
100 + D = 180
D = 80°
Answer:
The weight corresponding to which weight will be larger than 14% of times equals 427.635 grams.
Step-by-step explanation:
We need to find the value of weight that corresponds to 14% of area under the normal distribution curve
It is given that

Using standard normal distribution tables we find value of Z corresponding to 14% of the area as -1.080
Thus using the standard equation

I believe 20 but I’m not sure
Answer:
7 1/20
Step-by-step explanation:
9 2/5 ÷ 1 1/3 = 9 6/15 ÷ 1 5/15
= 141/15 ÷ 20/15
= 141/15 * 15/20
= 141/20
= 7 1/20