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3 years ago

What is 50/7 as a mixted number

Mathematics

2 answers:

sattari [20]3 years ago

8 0

Answer: 7 1/7

Step-by-step explanation:

Divide using long division. The whole number portion will be the number of times the denominator of the original fraction divides evenly into the numerator of the original fraction, and the fraction portion of the mixed number will be the remainder of the original fraction division over the denominator of the original fraction.

soldier1979 [14.2K]3 years ago

6 0

Answer:

7 $\frac{1}{7}$

Step-by-step explanation:

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The expected number of typographical errors on a page of a certain magazine is .2. What is the probability that an article of 10

Pavel [41]

Answer:

a) The probability that an article of 10 pages contains 0 typographical errors is 0.8187.

b) The probability that an article of 10 pages contains 2 or more typographical errors is 0.0175.

Step-by-step explanation:

Given : The expected number of typographical errors on a page of a certain magazine is 0.2.

To find : What is the probability that an article of 10 pages contains

(a) 0 and (b) 2 or more typographical errors?

Solution :

Applying Poisson distribution,

$N\sim Pois(0.2)$

$P(N=r)=\frac{e^{-np}(np)^r}{r!}$

where, n is the number of words in a page

and p is the probability of every word with typographical errors.

Here, n=10 and E(N)=np=0.2

a) The probability that an article of 10 pages contains 0 typographical errors.

Substitute r=0 in formula,

$P(N=0)=\frac{e^{-0.2}(0.2)^0}{0!}$

$P(N=0)=\frac{e^{-0.2}}{1}$

$P(N=0)=e^{-0.2}$

$P(N=0)=0.8187$

The probability that an article of 10 pages contains 0 typographical errors is 0.8187.

b) The probability that an article of 10 pages contains 2 or more typographical errors.

Substitute $r\geq 2$ in formula,

$P(N\geq 2)=1-P(N$

$P(N\geq 2)=1-[P(N=0)+P(N=1)]$

$P(N\geq 2)=1-[\frac{e^{-0.2}(0.2)^0}{0!}+\frac{e^{-0.2}(0.2)^1}{1!}]$

$P(N\geq 2)=1-[e^{-0.2}+e^{-0.2}(0.2)]$

$P(N\geq 2)=1-[0.8187+0.1637]$

$P(N\geq 2)=1-0.9825$

$P(N\geq 2)=0.0175$

The probability that an article of 10 pages contains 2 or more typographical errors is 0.0175.

6 0

3 years ago

A gift basket has a ratio of 3 pears to every4 apples. How many pears are there in a gift basket with 36 apples?

alexandr402 [8]

Answer:

12 pears

Step-by-step explanation:

Since for every 3 pears 4 apples, you have to divide the 36 apples by 3 and recieve 12 pears. Hope this helped.

4 0

4 years ago

Find the measure of the indicated angle

Hitman42 [59]

Answer:

x = 52

Step-by-step explanation:

The triangle is isosceles. The markings tell us that.

The 76 is not opposite either one of the equal sides. Let the angle values opposite the equal sides be x

x + x + 76 = 180 All triangles = 180

2x + 76 = 180 Subtract 76 from both sides.

2x = 180 - 76

2x = 104 Divide both sides by 2

x = 104/2

x = 52

So x = 52

8 0

3 years ago

Is the slope (+) (-) (zero) or (unidentified)

Rom4ik [11]

Answer:

zero is the answer brainliest plz

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

The CEO of a local tech company wants to estimate the proportion of employees that are pleased with the cleanliness of the break

Setler [38]

The type of sampling method proposed is a <u>convenience sampling</u> because it's a non-probability sampling method.

<h3>What is convenience sampling?</h3>

Convenience sampling can be defined as a type of non-probability sampling method which involves surveying and selecting representatives that are easily accessible.

The CEO could implement the second sampling method as follows:

Assign a serial number to each employees of the total 4,700 employee names.

Use a random number generator software to obtain 600 random numbers.

The 600 random numbers in Step 2 above forms the desired sample of 600 employees out of 4,700 employees at the company.

Read more on convenience sampling here: brainly.com/question/1445924

#SPJ1

8 0

2 years ago