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tester [92]
3 years ago
14

Round to the nearest tenth what is the distance between -3,3 and 1,2

Mathematics
1 answer:
Juliette [100K]3 years ago
3 0

Answer:

i dont know im sorry i wish you the best bro

Step-by-step explanation:

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The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally distributed with standard deviation 0.
Klio2033 [76]

Answer:

1. the probability that giraffe will be shorter than 17 feet tall is equal to 0.1056

2. the probability that a randomly selected giraffe will be between 16 and 19 feet tall is equal to 0.8882

3. the the 90th percentile for the height of giraffes is 19.024

Step-by-step explanation:

To calculate the probability that a giraffe will be shorter than 17 feet tall, we need to standardize 17 feet as:

z=\frac{x-m}{s}

Where x is the height of the adult giraffe, m is the mean and s is the standard deviation, so 17 feet is equivalent to:

z=\frac{17-18}{0.8}=-1.25

Now, the probability that giraffe will be shorter than 17 feet tall is equal to P(z<-1.25). Then, using the standard normal distribution table, we get that:

P(z

At the same way, 16 and 19 feet tall are equivalent to:

z=\frac{16-18}{0.8}=-2.5\\z=\frac{19-18}{0.8}=1.25

So, the probability that a randomly selected giraffe will be between 16 and 19 feet tall is equal to:

P(-2.5

Finally, to find the the 90th percentile for the height of giraffes, we need to find the value z that satisfy:

P(Z

Now, using the standard normal distribution table we get that z is equal to 1.28. Therefore, the height x of the giraffes that is equivalent to 1.28 is:

z=\frac{x-m}{s} \\1.28=\frac{x-18}{0.8} \\x=(1.28*0.8)+18\\x=19.024

it means that the the 90th percentile for the height of giraffes is 19.024

4 0
3 years ago
Corner Grocery charges $4.80 for 12 sodas. Max's Market charges $5.25 for 15 sodas.
weeeeeb [17]

Answer:

To do this, just do 12 divided by 4.80 = 2.5 dollars per can at Corner Grocery, and at Max's Market 15 divided by 5.25 = 2.85 per can. So the Corner Grocery has a better unit price by 35 cents.

Thanks for your question.

8 0
3 years ago
The picture shows a barn door:
spin [16.1K]
C

Opposite / hypotenuse
Sin 45 degrees= 7/x
8 0
3 years ago
Read 2 more answers
The phone you want to purchase is $200. You have a coupon for 30% off the purchase price. How much will you pay for the phone af
pentagon [3]

Answer:

$140

Step-by-step explanation:

Orignal Price: $200

200 x 0.3

= 60

200 - 60

= 140

4 0
3 years ago
Read 2 more answers
Which expression models this phrase? 27 decreased by the difference of a number and 3 A. (n – 3) – 27 B. 27 – n + 3 C. 27 – (n –
inysia [295]
The answer is c because you have to say 27 minus the number minus 3
7 0
3 years ago
Read 2 more answers
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