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denis-greek [22]
3 years ago
13

Suppose the probability of producing a defective light bulb from a production line is the same over an interval of 90 minutes. W

hich of the following distributions would you use to determine the probability that a defective light bulb will be produced in a 15-minute interval? A) Normal distribution B) Poisson distribution C) Uniform distribution D) Exponential distribution
Mathematics
1 answer:
butalik [34]3 years ago
8 0

Answer:

C) Uniform distribution

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely. In this case, the probability of producing a defective light bulb from a production line is the same over an interval of 90 minutes, so the correct answer is C.

We can calculate the probability.

Uniform probability distribution

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The probability that we find a value X lower than x is given by the following formula.

P(X \leq x) = \frac{x - a}{b-a}

For this problem, we have that:

Uniformily distributed over a 90 minute interval, that is, between 0 and 90, so b = 90 and a = 0.

We want to find P(X \leq 15) = \frac{15-0}{90-0} = 0.167

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HELPPP please thank you so much
slavikrds [6]

Answer:

Inequality: 8p ≤ 50

Answer: p ≤ 6

Step-by-step explanation:

Step 1. Write an equation

$8 per person = 8p (where 8 is the cost per person and p is the number of people)

8p ≤ 50

Step 2. Solve

8p ≤ 50

÷8    ÷8

p ≤ 6.25 ≈ p ≤ 6 (your final answer is 6 because you cannot have 1/4 of a friend)

8 0
3 years ago
What is the value of x in 2(5x) = 14? A. 0.34 B. 1.15 C. 1.21 D. 219.33
viva [34]

Answer:

C. 1.21 I think

Step-by-step explanation:

8 0
3 years ago
The set of all real numbers x that satisfies -3 < x<14 is given by the following interval notation: [-3,14)
Burka [1]

Answer:

Step-by-step explanation:

The set of all integer numbers

6 0
3 years ago
Read 2 more answers
What is an equation of the line that passes through the points (-6, -2) and
den301095 [7]

Answer:

The equation of line is: \mathbf{4x-3y=-18}

Step-by-step explanation:

We need to find an equation of the line that passes through the points (-6, -2) and  (-3, 2)?

The equation of line in slope-intercept form is: y=mx+b

where m is slope and b is y-intercept.

We need to find slope and y-intercept.

Finding Slope

Slope can be found using formula: Slope=\frac{y_2-y_1}{x_2-x_1}

We have x_1=-6,y_1=-2, x_2=-3, y_2=2

Putting values and finding slope

Slope=\frac{2-(-2)}{-3-(-6)}\\Slope=\frac{2+2}{-3+6} \\Slope=\frac{4}{3}

So, we get slope: m=\frac{4}{3}

Finding y-intercept

Using point (-6,-2) and slope m=\frac{4}{3} we can find y-intercept

y=mx+b\\-2=\frac{4}{3}(-6)+b\\-2=4(-2)+b\\-2=-8+b\\b=-2+8\\b=6

So, we get y-intercept b= 6

Equation of required line

The equation of required line having slope m=\frac{4}{3} and y-intercept b = 6 is

y=mx+b\\y=\frac{4}{3}x+6

Now transforming in fully reduced form:

y=\frac{4x+6*3}{3} \\y=\frac{4x+18}{3} \\3y=4x+18\\4x-3y=-18

So, the equation of line is: \mathbf{4x-3y=-18}

6 0
2 years ago
Anyone ...Pls solve
expeople1 [14]
Given:
- Bought n items of product A at 1/5 rs each
- bought n items of product B at 1/4 rs each
He mixed the two items and sold each at 2/9 rs each.
He lost 3 rs in the above batch of articles.

Solution:
revenue = 2n* (2/9) rs = 4n/9 rs
cost = n/5+n/4 rs = n(1/5+1/4)
Profit = revenue-cost = 4n/9-n(1/5+1/4) = -3 rs

Solve for n
4n/9-n(1/5+1/4) = -3 
factor out n
n(4/9-1/5-1/4)=-3
n(80-36-45)/180=-3
-n/180=-3
n=3*180=540

Total number of products bought
= n+n = 540+540 = 1080
6 0
3 years ago
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