The correct answer is CI = (71.415%, 78.915%)
The correct option is (A)
<h3 /><h3>What is Confidence level?</h3>
A confidence interval is the mean of your estimate plus and minus the variation in that estimate.
Given:
x = 376
Sample = 500 students
CI= [(376/500-1.96 √((376/500)*(124/500)/500) , (376/500-1.96
√((376/500)*(124/500)/500)]
CI = (71.415%, 78.915%)
Hence, CI = (71.415%, 78.915%)
Learn more about CI here:
brainly.com/question/26772699
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Answer: Raja needs 150.72 cubic centimeters for each horn.
Step-by-step explanation:
Since the horns that Raja is making are cone shaped, then we would determine the amount of clay she needs by applying the formula for
determining the volume of a cone is expressed as
Volume = 1/3πr²h
Where
h represents the height of the cone.
r represents the radius of the cone
π is a constant whose value is 3.14
From the information given,
Height = 16 centimeters
Diameter = 6 centimeters
Radius = diameter/2 = 6/2 = 3 centimeters
Therefore,
Volume = 1/3 × 3.14 × 3² × 16 = 150.72 cubic centimeters
Answer:
c
Step-by-step explanation:
23: √6.91, √49, 15/2, 7 1/8
( i will do the rest in the comments as i finish them)
The force of friction is given in the scenario:
Force = 500 Newton
and the mass of the runner is 60 kg
To find the acceleration we need to use the relation between force, mass, and the acceleration of the object:
Where 'F' represents the force, 'm' represents the mass, and 'a' represents the acceleration.
Plugging the value of variables we get:
Solving for 'a' (acceleration) we get:
Newton/kilogram or meters/ second squared
So the acceleration of the runner is 8.33 meters/ second squared.
