option A
Step-by-step explanation:
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Answer:
46
Step-by-step explanation:
he count of numbers from 1 to n that are divisible by k is integer part of (n/k).
So the numbers from 1 to 99 divisible by 3 is int(99/3) = 33
Those divisible by 5: int(99/5) = 19
From the sum of those two, subtract those divisible by 15 = int(99/15) = 6
That gives you 33+19-6 = 46.
Now subtract the 1 digit numbers: 3, 5, 6, 9, or four of them
46 - 4 = 42 is the answer.
Answer:
a
The 95% confidence bounds is 
b
It was not necessary to make any assumption about the shape of the travel time distribution
Step-by-step explanation:
From the question we are told that
The sample size is n = 30
The sample mean is 
The standard deviation is 
From the question we are told the confidence level is 95% , hence the level of significance is
=> 
Generally from the normal distribution table the critical value of 
is
Generally the margin of error is mathematically represented as
=> 
=> 
Generally 95% confidence bounds is mathematically represented as
=> 
=>
This 95% confidence bounds show that there is 95% confidence that the true mean lies within this bound hence there is it was not necessary to make any assumption about the shape of the travel time distribution
Two negatives = 1 positive
N - (-24) = 12
n + 24 = 12
n + 24 (-24) = 12 (-24)
n = -12
hope this helps
Answer:
Step-by-step explanation:
1. Cut six desired measures of string to properly wrap and tied around each end of the three sticks
2. Once fastened, bring two of the sticks together making one the bottom (base) and the other a side (angle).
3.Cut a tiny piece of rope to interlock with the rope you already have tied on the ends.
4.Tie the ends together with the new cut of string and make your desired angle as you tighten it.
5. Mirror Step 4 for the other end of the bottom stick (base), while most importantly mirroring the desired angle of step 4.
This should give you a proper equilateral triangle made out of sticks and string or anything of these two materials.
