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Arisa [49]
2 years ago
15

If X is a random variable denoting number of defective items, which discrete probability distribution is appropriate

Mathematics
1 answer:
Lesechka [4]2 years ago
6 0

Considering that for each item, there are only two possible outcomes, and the probability of an item being defective is independent of any other item, the binomial distribution is appropriate.

<h3>What is the binomial probability distribution?</h3>

It is the probability of <u>exactly x successes on n repeated trials, with p probability</u> of a success on each trial.

More can be learned about the binomial distribution at brainly.com/question/24863377

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 The ratio of the number of cars to the number of motorcycles in a parking lot is 10:3. The ratio of the number of motorcycles t
serg [7]
I'll do this step-by-step. Note, ratios are basically division signs.

The ratio of cars to motorcycles in a parking lot is 10:3, which means there are 10 cars for every 3 motorcycles.

The ratio of motorcycles to vans is 2:3, there are 2 motorcycles for every 3 vans.

There are 30 vans, so there are 20 motorcycles, since 20 motorcycles:30 vans is equal to 2 motorcycles: 3 vans in fractions. (20 / 30 = 2 / 3)

So, the ratio of cars represented by x to the number of motorcycles, 20 can be written as x / 20 = 10 / 3. 10 / 3 is 3.333, meaning 3.333 cars per 1 motorcycle, so multiply 20 by 3.333 to get x, which is 66. There are 66 cars and 30 vans, so there are 33 more cars than vans in the parking lot. 66/20 = 10/3, both have a ratio of 3.33 when divided.

If you don't want the explanation, there are 33 more cars than vans in the parking lot.
8 0
3 years ago
Read 2 more answers
The probability of Derek getting a hit when he comes to bat is 30%. How many hits should he expect to get if he comes to bat 450
AVprozaik [17]
450 divided by 30 =90

90 times
5 0
3 years ago
Please help with this!!!
ehidna [41]

Answer:

  47.25 ft³

Step-by-step explanation:

The volume of the prism is given by the formula ...

  V = Bh . . . . . . . B is the area of the base, h is the height.

The height of the prism is given as 6 ft. The area of the base is the area of the triangular entrance. The formula for that area is ...

  A = 1/2bh . . . . . . b is the base, h is the height

Using the given values for the entrance base and height, we get ...

  A = 1/2(4.5 ft)(3.5 ft) = 7.875 ft²

Then the volume of the tent is ...

  V = (7.875 ft²)(6 ft) = 47.25 ft³

The tent volume is 47.25 cubic feet.

8 0
3 years ago
1. 108, 93, 426,766,518,210<br> Find the mean,median,mode,and range of each set of data
Liula [17]

Answer:

Mean (Average):

353.5

Median (Middle):

(210+426)/2 = 318

Mode (Most Common):

No Mode of this set

Range (Biggest - Smallest):

673

Step-by-step explanation:

5 0
4 years ago
The sum of two numbers is 13, the difference is 4. What are the numbers?.
Rama09 [41]

Answer:

a = 8.5

b = 4.5

Step-by-step explanation:

let 2 number be a ,b

a + b = 13  (1)

a - b = 4    (2)

(1) + (2) = 2a = 13+4 = 17 -> a = 8.5

-> b = 8.5 -4 = 4.5

6 0
4 years ago
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