PLZ HELP IF WRONG ILL REPORT

2 answers:

7 0

I HONESTLY WOULD THINK THIS COULD BE BIAS ONLY BECAUSE DIFFERENT OPINION ARE INCLUDED BUT AT THE SAME TIME BESTBUY NEVER SAID ANYTHING ABIUT THEM HATING BESTBUY

kvv77 [185]3 years ago

6 0

Answer:

The store calls and asks every 4th person who bought a television within the past year whether he or she likes it.

<u>It is biased because opinion was shared..</u>

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If 4 people are selected from a group of 6 married couples, what is the probability that none of them would be married to each o

Ludmilka [50]

Answer:

16/33

Step-by-step explanation:

12C4(total possible outcomes)=495

Since there are 6 married couples there must be 6*[2C2×10C2]=270

must subtracted 15 since when there are 2 couples in a group would have doubled 270-15=255

the no of groupings with no married couples 495-255 =240

probability=no of favourable outcomes /no of possible outcome

probability=240/495= 16/33

6 0

3 years ago

A, B, and C are collinear, and B is between A and C. The ratio of AB to AC is 1:2 If A is at (6,3) and B is at (-1,2), what are

Maksim231197 [3]

Answer:

The coordinates of C is (-8,1)

Step-by-step explanation:

Looking at the attached image, you'd see that, AB is 1 and BC is 1, that's because we are told that ratio of AB to AC is 1:2 meaning, AC is 2 and AB is 1. Therefore for that ratio to be satisfied BC has to be 1 so that AC would be 2.

Now let's assume the coordinates of C is $(x,y)$ .