Ten measurements of impact energy on specimens of A238 steel at 60 ºC are as follows: 64.1, 64.7, 64.5, 64.6, 64.5, 64.3, 64.6, 64.8, 64.2, and 64.3 J. a. Use the Student’s t distribution to find a 95% confidence interval for the impact energy of A238 steel at 60 ºC. b. Use the Student’s t distribution to find a 98% confidence interval for the impact energy of A238 steel at 60 ºC.
Answers
Answer:At 95% confidence interval, the lower end is 64.306 and the upper end is 64.614
At 98% confidence interval, the lower end is 64.268 and the upper end is 64.652
Step-by-step explanation:
Related Questions
23 greater than b is at least -276
*1. What is the measure of angle A?
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Find the percent change from a stock that was worth $230 and is now $287
Answers
Edwin used a quantity of 2.833 gallons of paint for the mural which is the difference between the quantity of paint at the beginning and the used for the bedroom.
We have been given that Edwin has 3 1/2 gallons of green paint. He uses 2/3 of the paint to paint his bedroom. He uses the rest of the paint for a mural in his garage.
What is the fraction?
A fraction is defined as a numerical representation of a part of a whole that represents a rational number.
To determine the quantity of paint Edwin used for the mural.
The quantity of paint Edwin used for the mural is the difference between the quantity of paint at the beginning and the used for the bedroom.
The quantity of paint used for the mural = 3 1/2 gallons - 2/3 gallons
The quantity of paint used for the mural = 3.5 - 0.66
The quantity of paint used for the mural = 2.833
Thus, Edwin used a quantity of 2.833 gallons of paint for the mural.
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Answer:
1 1/6
Step-by-step explanation:
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hey mate..
the position at which the tips of the scissors will be FARTHER APART is at position B.
as the angle made by the scissors at the centre is greater in position B.
Answer:
the degree angle of scissor B is greater as its angle number is greater than A
32 is a greater number than 26 therefore the degree of angle 32 is wider than the degree of 26
~batmans wife dun dun dun...aka ~serenitybella
Work out the value of his car at the start of 2017.
Answers
The value of Mike's car at the start of 2017 is £4116.
What is percentage ?
Percentage is a ratio in the form of fraction of 100.
Percentage is defined by the "%" symbol.
What is the required value of the car ?
At the start of the year 2014, Mike's car was worth £12000.
The value of the car decreased by 30% every year.
So, The value of the car at the start of 2015 = £12000×
= £ 12000×
= £ 8400
Again, The value of the car at the start of 2016 = £8400×
= £8400×
= £5880
∴ The value of the car at the start of 2017 = £5880×
= £5880×
= £4116
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Answers
Answer:
To find the value of x that makes the equation 7^15 * 7^4 = 7^x true, you can use the properties of exponents.
In this case, you can apply the rule that when you multiply two numbers with the same base, you can add their exponents. So, for the equation:
7^15 * 7^4 = 7^x
You can combine the exponents on the left side:
7^(15 + 4) = 7^x
Now, you have:
7^19 = 7^x
For these two exponential expressions to be equal, the exponents must be equal:
x = 19
So, the value of x that makes the equation true is x = 19.
70
60
50
48
Answers
Answer:
The value of given expression 52 - 4 of (17 - 12) + 4 × 7 = 60
Step-by-step explanation:
Given expression;
52 - 4 of (17 - 12) + 4 × 7
Find:
The value of given expression 52 - 4 of (17 - 12) + 4 × 7
Computation:
52 - 4 of (17 - 12) + 4 × 7
Using BODMAS rule;
52 - 4 of (17 - 12) + 4 × 7
52 - 4(17 - 12) + 4 × 7
52 - 4(5) + 28
52 - 20 + 28
80 - 20
60
So,
The value of given expression 52 - 4 of (17 - 12) + 4 × 7 = 60
1/2 + 2/5=
Answers
Answer:
9/10 or 0.9
Step-by-step explanation:
1/2 + 2/5 =
1 × 5 + 2 × 2/2 × 5
5 + 4 = 10
9/10 or 0.9
InFraction=9/10
InDecimal=0.9
Thus,The answer is 9/10 or 0.9
-TheUnknownScientist
Answer:
9/10 or 0.9.
Step-by-step explanation:
1/2 + 2/5 =
5/10 + 4/10 =
5 + 4/10 =
9/10