Answer:
(a) Normal model
Step-by-step explanation:
Given
Solving (a): The distribution type
The sample follows a normal model
Solving (b): The mean
This is calculated as:
So, we have:
Express as decimal
Solving (c): The standard deviation
This is calculated as:
So, we have:
Express as decimals
Answer:
height = 2 feet
Step-by-step explanation:
V= L*w*h
L=length = 7
w= width = 4
h= height
V=volume = 56
V= L*w*h so we have:
h = V/(L*w)
h = 56/(7*4)
h = 56/28
h = 2 feet
height= 2 feet
Answer:
Answer is 32 cm is length of PQ
Step-by-step explanation:
Answer:
13
Step-by-step explanation:
12×7 = 84,
so the scale ratio is 1/7
now 91×1/7
= 91/7
= 13
Answer:
113.1
Step-by-step explanation:
This is the formula you have to follow, finding the volume of objects is hard without the formula and it's just something you'll have to memorize. BUt just remember to plug in the radius which is 3 in this problem, into the volume formula: