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olga nikolaevna [1]
2 years ago
8

Relationship B has a greater rate than Relationship A. This graph represents Relationship A.

Mathematics
1 answer:
Agata [3.3K]2 years ago
7 0
All of them except y=1.4x because rate is the same as slope and the slope of that graph is 2 so you pick each one that has a higher slope of 2.  

Hope this helped more than the other person who answered.  Good Luck!
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Therefore:
y = -3x - 2 
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Step-by-step explanation:

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In a semiconductor manufacturing process, three wafers from a lot are tested. Each wafer is classified as pass or fail. Assume t
Angelina_Jolie [31]

Answer:

P(X = 0) = 0.027

P(X = 1) = 0.189

P(X = 2) = 0.441

P(X = 3)= 0.343

Step-by-step explanation:

The probability mass function P(X = x) is the probability that X happens x times.

When n trials happen, for each x \leq n, the probability mass function is given by:

P(X = x) = pe_{n,x}.p^{x}.(1-p)^{n-x}

In which p is the probability that the event happens.

pe_{n,x}, is the permutation of n elements with x repetitions(when there are multiple events happening(like one passes and two not passing)). It can be calculated by the following formula:

pe_{n,x} = \frac{n!}{x!}

The sum of all P(X=x) must be 1.

In this problem

We have 3 trials, so n = 3

The probability that a wafer pass a test is 0.7, so p = 0.7

Determine the probability mass function of the number of wafers from a lot that pass the test.

P(X = 0) = (0.7)^{0}.(0.3)^{3} = 0.027

P(X = 1) = pe_{3,1}.(0.7).(0.3)^{2} = 0.189

P(X = 2) = pe_{3,2}.(0.7)^{2}.(0.3) = 0.441

P(X = 3) = (0.7)^{3} = 0.343

5 0
3 years ago
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AleksAgata [21]
Her dance class is 1 hour and 45 minutes long 

Hope this helps!
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2 years ago
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