Answer:
Option C 67 upto 70
Step-by-step explanation:
Given that heights of college women" recorded to the nearest inch: the first two class midpoints are 62.5" and 65.5".
This explains that each class width=Difference between mid values of successive classes
Also next class will have midvalue as
So next class has mid value as 68.5 and width as 3
i.e. 1.5 each side should be given
So class interval =
Option c
Answer:
170 i think
Step-by-step explanation:
Answer:
see below
Step-by-step explanation:
a + b = 4
a - b = 8 add the two equations to solve the system of equations
a + a + b + (- b) = 4 + 8
2a + 0b = 12
2a/2 = 12 /2
a = 6
a + b = 4
a - a + b = 4 -a
b = 4 - 6
b = -2
Answer:
1/11 = 0.09
Step-by-step explanation:
problem best done with a tree diagram. let's focus on the blue branch for child 1. the probability of child 1 getting a blue marble is 4/12. now since he's choosing randomly and we assuming that after giving it away, there is 12-1=11 marbles left, the second child will have the probability 3/11 of getting a yellow marble. multiple those probabilities
4/12 × 3/11
1/3 × 3/11
3/33
1/11
The answers are 8.6 ounces, 9.4 ounces, and 8.5 ounces
Explanation:
To find how much each puppy weights simply add the weight they gained (2.1 ounces) to the weight of each puppy at one week old. The process to add the weights is shown below:
First Puppy
6.5 ounces (weight at one week old) + 2.1 ounces (weight gained)
Align both numbers using the period as the reference and add
6.5
+ <u> 2.1 </u>
8.6
The weigh of the first puppy is 8.6 ounces which can be rounded as 9 ounces (integer)
Second Puppy
Now, repeat the process
7.3 ounces + 2.1 ounces
7.3
+ <u> 2.1 </u>
9.4
The weigh of this puppy is 9.4 ounces or 9 ounces (integer) if rounded
Third Puppy
6.4 ounces + 2.1 ounces
6.4
+ <u> 2.1 </u>
8.5
The weight of the third puppy is 8.5 ounces which can be rounded as 8 ounces or 9 ounces (integers) depending on the rounding method.