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Lana71 [14]
3 years ago
9

A basket of fruit contains four oranges five apples and six bananas. If you choose a piece of fruit at random from the basket, w

hat is the probability that it will be a banana?
Express your answer as a common fraction
Mathematics
1 answer:
Leni [432]3 years ago
8 0

Answer:

6/15

Theres 6 bananas & 15 fruits total

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Assume that the readings on the thermometers are normally distributed with a mean of 0 degrees and standard deviation of 1.00deg
IrinaVladis [17]

Answer:

Step-by-step explanation:

Hello!

The variable of interest is the readings on thermometers. This variable is normally distributed with mean μ= 0 degrees C and standard deviation σ= 1.00 degrees C.

The objective is to find the readings that are in the top 3.3% of the distribution and the lowest 3.3% of the distribution.

Symbolically:

The lower value P(X≤a)=0.033

Top value P(X≥b)=0.033

(see attachment)

Lower value:

The accumulated probability until "a" is 0.03, since the variable has a normal distribution, to reach the value of temperature that has the lowest 3.3%, you have to work under the standard normal distribution.

First we look the Z value corresponding to 0.033 of probability:

Z= -1.838

Now you reverste the standardization using the formula Z= (a-μ)/δ

a= (Z*δ)+μ

a= (-1.838*1)+0

a= -1.838

Top value:

P(X≥b)=0.033

This value has 0.033 of the distribution above it then 1 - 0.033= 0.967

is below it.

You can rewrite the expression as:

P(X≤b)=0.967

Now you have to look the value of Z that corresponds to 0.967 of accumulated probability:

b= (Z*δ)+μ

b= (1.838*1)+0

b= 1.838

The cutoff values that separates rejected thermometers from the others are -1.838 and 1.838 degrees C.

I hope it helps!

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Concert marketing: The college’s performing arts center wanted to investigate why ticket sales for the upcoming season significa
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Answer- a,b,d!!!! (i believe)
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The coordinates of the vertices of quadrilateral DEFG are D(−3, −1) , E(−6, 3) , F(3, 12) , and G(7, 9) .
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Your answer is D.
Because there are no negative reciprocals, therefore there are no right angles.
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Answer:

A constant is a number that stays the same. A variable is number that doesn't remain the same.

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Can you find the sum of this triangle?<br>please ​
AysviL [449]

Answer:

47

Step-by-step explanation:

180 - 43 - 90

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