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Marina86 [1]
2 years ago
8

The box-and-whisker plot below represents some data set. What percentage of the

Mathematics
1 answer:
myrzilka [38]2 years ago
4 0

Answer:

25 percent; each section of the box plot counts as 25%

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The amount of icing on a Cuppie Cake large cupcake follows a Normal distribution, with a mean of 2 ounces and a standard deviati
TiliK225 [7]

Answer: the probability the mean weight will exceed 2.1 ounces is 0.09

Step-by-step explanation:

Let x be the random variable representing the amount of icing on a Cuppie Cake large cupcake. Since it is normally distributed and the population mean and population standard deviation are known, we would apply the formula,

z = (x - µ)/(σ/√n)

Where

x = sample mean

µ = population mean

σ = standard deviation

n = number of samples

From the information given,

µ = 2

σ = 0.3

n = 16

x = 2.1

the probability that the mean weight will exceed 2.1 ounces is expressed as

P(x ≥ 2.1)

For x = 2.1

z = (2.1 - 2)/(0.3/√16) = 1.33

We would determine the probability for the area above z = 1.33 from the normal distribution table. It would be

p = 1 - 0.91 = 0.09

P(x ≥ 2.1) = 0.09

6 0
3 years ago
The product of a number and 9 less than the number is 90. find the number.
Grace [21]
15 is answer 
15-9=6 and 15x6= 90
   
7 0
3 years ago
2x + y = 3<br> 4x + 4y = 8
den301095 [7]

Answer:

Point form : (1,1)

Equation form : x=1 , y=1

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Hope this helps you out! ☺

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