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ASHA 777 [7]
3 years ago
14

85% of £30

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
4 0
Re read the question again just in case, try and put £25.50
But I got 25.5 too
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The distribution of the diameters of a particular variety of oranges is approximately normal with a standard deviation of 0.3 in
DerKrebs [107]

Answer:

x = 0.132 + \mu

is the required relation of the diameter of an orange at the 67th percentile compare with the mean diameter.        

Step-by-step explanation:

We are given the following information in the question:

Standard Deviation, σ = 0.3 inch

We are given that the distribution of  diameters is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

We have to find the value of x such that the probability is 0.67.

P( X \leq x) = P( z \leq \displaystyle\frac{x - \mu}{0.3})=0.67  

Calculation the value from standard normal z table, we have,  

P( z \leq 0.440) = 0.67

\displaystyle\frac{x - \mu}{0.3} = 0.440\\x - \mu = 0.132\\ x = 0.132 + \mu

which is the required relation of the diameter of an orange at the 67th percentile compare with the mean diameter.

4 0
4 years ago
6 (x + 2)^12 - 8 = 64
pickupchik [31]
I think the answer is x=-1
6 0
3 years ago
2^5= 32, the fifth root of_____=_____.
brilliants [131]

The fifth root of 32 is 2

In other words,

\sqrt[5]{32} = 2

It's similar to stating that 7^2 = 49 can be transformed into saying sqrt(49) = 7 where "sqrt" is shorthand for "square root"

The general rule is

x^n = b \ \  \longleftrightarrow \ \  \sqrt[n]{b} = x

7 0
3 years ago
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Write an expression to answer:<br> What is the sum of h and 73?
VARVARA [1.3K]

The answer would be h+73

6 0
4 years ago
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Find the difference between − 1/6 and − 9/10
MrRa [10]

Answer:

Step-by-step explanation:

-1/6-(-9/10)

=-1/6+9/10

=-\frac{1}{6}+\frac{9}{10}\\=\frac{-5+27}{30}\\=\frac{22}{30}\\=\frac{11}{15}

5 0
3 years ago
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