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Vlad1618 [11]
3 years ago
13

Sorry guys that wasn’t just it ! :( please help

Mathematics
1 answer:
Marina86 [1]3 years ago
7 0
$5.16 , 4 apples

$1.29, 1 Apple
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(a) Suppose one house from the city will be selected at random. Use the histogram to estimate the probability that the selected
vodka [1.7K]

Answer:

a.    0.71

b.    0.9863

Step-by-step explanation:

a. From the histogram, the relative frequency of houses with a value less than 500,000 is 0.34 and 0.37

-#The probability can therefore be calculated as:

P(500000)=P(x=0)+P(x=500)\\\\\\\\=0.34+0.37\\\\\\\\=0.71

Hence, the probability of the house value being less than 500,000 is o.71

b.

-From the info provided, we calculate the mean=403 and the standard deviation is 278 The probability that the mean value of a sample of n=40 is less than 500000 can be calculated as below:

P(\bar X

Hence, the probability that the mean value of 40 randomly selected houses is less than 500,000 is 0.9863

8 0
4 years ago
There are a total of 18 chairs.if the ratio of the red chairs to brown chairs is 2 to 4 how many of them are red
Juliette [100K]
9 chairs because 2 to 4 is equal to 1/2 and half of 18 chairs is 9
4 0
3 years ago
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Malakais family uses 648 liters of water per a week. Dylan's family uses 3 times as much water.
maxonik [38]

Answer
Multiply 648 by 3 to get for one week
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Hope this helps
3 0
3 years ago
I need help please help me :(
Anastasy [175]

Answer:

A. 3

Step-by-step explanation:

\frac{21}{7}

REMEMBER to MULTIPLY FIRST!!

21 / 7 = 3

7 0
3 years ago
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Which is longer 4000ft or 1 kilometer
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Answer:

4000 ft

Step-by-step explanation:

There is 3280.84 foot in km.

So, that makes the 4000 ft the longest.

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3 years ago
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