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tamaranim1 [39]
2 years ago
8

A steel mill manufactures steel plates. The average number of flaws in the steel is 1.28 flaws per square foot. Find the probabi

lity that a randomly selected 1-foot-by-1-foot area of steel plate has 2 flaws or fewer. Use Excel to find the probability. Round your answer to three decimal places.
Mathematics
1 answer:
maks197457 [2]2 years ago
8 0

Using excel, we can determine that the likelihood that a randomly picked steel plate measuring 1 foot by 1 foot contains two or fewer faults is 0.862.

This is further explained below.

<h3>What is probability?</h3>

Generally, the characteristic or condition of being probable; the degree to which something is likely to occur or be the case. the likelihood of anything happening or something is the case.

In conclusion, In this section, we will make the assumption that the number of defects found in a steel plate measuring 1 foot by 1 foot has a Poisson distribution with a mean of 1.28.

Read more about probability

brainly.com/question/795909

#SPJ1

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Identify all the sets to which the number belongs. Choose from Rational Number, Irrational number, whole number, and integer. 1.
Allushta [10]

Answer:

The number 1.256 is  A)rational number.

Step-by-step explanation:

  • A whole number is a non-negative number without any digits behind the decimal.
  • An integer is a set of negative and non negative numbers that don't have any digits behind the decimal.
  • A number that can be shown as a fraction of two whole numbers is a rational number.And the numbers that are not rational are irrational numbers.
  • Here, 1.256 is a fraction of whole numbers 1256 and 1000 , so it is a rational no.

                     \frac{1256}{1000} =1.256

  • But since it has digits behind the decimal it is neither a whole number, or an integer.

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3 years ago
If q is the smallest composite number greater than 2 and p is the smallest prime number less than 10, what is p/q? a. 2 b. 0.5 c
Mrac [35]

Answer:

b. 0.5

Step-by-step explanation:

knowing that a prime number is an integer with exactly two divisors and a composite number is an integer with more than two divisors, we have that if q is a composite number greater than 2 these can be 4, 6, 8, .. But how the smallest of them should be is 4, and  p is a prime number can be 2,3,5,7,....

but  is the smallest prime number less than 10 then p=2, also p/q=2/4 = 0.5

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3 years ago
Jasmine baby-sits for $8.25 per hour. If she baby-sits for 12 hours in one weekend, how much money will she earn? Write your ans
forsale [732]

Answer:

Step-by-step explanation:

8.25*12= $99.00

7 0
2 years ago
I can't manage. Can you help? Ty :)​
grigory [225]

first question is true and second question is 6cm

5 0
2 years ago
The list price of the item is 80 percent of the original price. The price of the item has been reduced by 80 percent. Write a pa
rodikova [14]

Answer:

Step-by-step explanation:

Given the expressions :

The list price of the item is 80 percent of the original price. The price of the item has been reduced by 80 percent.

Write a pair of linear equations using variables of your choice to prove that these two statements are not equivalent.

Let the original price = x

Expression 1 : The list price of the item is 80 percent of the original price

List price = 80% of x

List price = 0.8x

Expression 2: The price of the item has been reduced by 80 percent

Price = x - 80% of x

Price = x - 0.8x

Price = 0.2x

Multiply by percentages is different from an Incremental or decrement in percentage. The first expression above signifies a direct multiplication by the stated percentage while the second signifies a decrease in price based on a certain percentage of the original price.

Wording of percentages are so important for clarity in other to understand if the statement signifies a direct application of the percentage prescribed or a change in quantity, amount or size relative to the base unit.

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