The lower and upper bounds of w is 3 and 4.16
What is Upper bound and Lower bound?
An element of K that is bigger than or equal to every element of S is referred to as an upper bound or majorant of S in mathematics, specifically in order theory. In contrast, a lower bound or minorant of S is defined as an element of K that is smaller than or equal to every element of S. A set that has an upper (or lower) bound is said to be majorized[1] (or minorized, respectively) from above (or below) by that constraint.
Given that,
w =(x + y)/z
x = 2.5 ± 0.5,
y = 1.5 ± 0.5
and, z = 1.1 ± 0.1
Substituting the values in the equation to find upper bound
x = 3.0
y = 2.0
z = 1.2
Then,
w = (3 + 2)/1.2
w = 5/1.2
w = 4.16
Substituting the values in the equation to find lower bound
x = 2.0
y = 1.0
z = 1.0
Then,
w = (2 + 1)/1
w = 3/1
w = 3
Hence, The upper bound of w is 4.16
The lower bound of w is 3
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Using the binomial distribution, it is found that there is a 0.999977 = 99.9977% probability that at least one of them makes a Type I error.
<h3>What is the binomial distribution formula?</h3>
The formula is:
The parameters are:
- x is the number of successes.
- n is the number of trials.
- p is the probability of a success on a single trial.
In this problem:
- There are 25 students, hence n = 25.
- 70% do not commit any error, hence 30% do and p = 0.3.
The probability that at least one commits an error is given by:
In which:
Then:
There is a 0.999977 = 99.9977% probability that at least one of them makes a Type I error.
More can be learned about the binomial distribution at brainly.com/question/24863377
Answer:
A
Step-by-step explanation:
I am pretty sure that it starts in Denmark. Most Viking stories starts in Denmark, so it is mostly likely Denmark. If it is from the victim's POV, then it might be Greenland or Iceland.
Answer might be 50, hope it’s not wrong.
