Answer:
Hi your question is incomplete attached below is the complete question
answer : p ( X < 725 ) = 0.0116
Step-by-step explanation:
Given data:
Average life of bulbs (μ ) = 750 hours
standard deviation (б ) = 55 hours
n ( sample size ) = 25
X = 725
<u>Probability that the mean life of a random sample of 25 bulbs will be less than725 hours </u>
p ( X < 725 ) = p (( X - μ )/ б √n < 725 - 750 / 55√25 )
= P ( Z > - 2.27 )
Hence P ( X < 725 ) = 0.0116 ( using Z-table )
Answer:
D
Step-by-step explanation:
Interesting question. The wording is a bit awkward. I think you have to assume the base is a square and each succeeding base is also a square.
So the first thing to do is to add the bases together.
30*30 + 23*23 + 16*16 + 9*9
Don't add these -- not yet.
Now take the height into consideration
6 *(30*30 + 23*23 + 16*16 + 9*9)
The point is that you only have to multiply by 6 once.
6*(900 + 529 + 256 + 81)
6*(1766)
10596 cubic inches
The answer is D
The statements are true for the given geometric sequence.
The domain is the set of natural numbers.
The recursive formula representing the sequence is f(x + 1) = 3/2(f(x )) when f(1) = 4.
The sequence shows exponential growth.
We have given the graph.
What is the geometric sequence?
A geometric sequence is a sequence in which the ratio of every two successive terms is a constant.
The graph is given below we can see that
The domain is the set of natural numbers.
The recursive formula representing the sequence is
f(x + 1) = 3/2(f(x )) when f(1) = 4.
The given graph grows exponentially.
The sequence shows exponential growth
To learn more about geometric sequence visit:
brainly.com/question/1509142
Answer:
81
Step-by-step explanation:
can be written as 
× 
= 
=
= 81
