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rusak2 [61]
3 years ago
5

A particular fruit's weights are normally distributed, with a mean of 618 grams and a standard deviation of 24 grams. If you pic

k 2 fruit at random, what is the probability that their mean weight will be between 568 grams and 616 grams
Mathematics
1 answer:
Lorico [155]3 years ago
3 0
Answer: The probability is 0.5136.

To find this probability we have to find the range of the values on the normal distribution table.

First, we need to find the percent for each making z-score.

Lower end: 50/24 = 2.08 = 0.0183

Upper end: 2/24 = 0.08 = 0.5319

Now, that we have the upper and lower ends, we can subtract them to find the difference or the range.  

0.5319 - 0.0183 = 0.5136

There is a 51.36% chance they are in the given range.
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Determine whether these two functions are inverses. ​
11Alexandr11 [23.1K]

Answer:

No The reactions are not inverses to each other

Step-by-step explanation:

f(x) = 3x + 27

Let f(x) be y

y= 3x+27

subtracting 27 on both sides

3x = y - 27

x= (y-27)/3

= y/3 - 9

inverse function is x/3 -9 not x/3 + 9

Therefore, not an inverse

Hope it helps...

6 0
3 years ago
Select the polynomial that is a perfect square trinomial.
Alina [70]

Answer:

  16x^2 -8x +1

Step-by-step explanation:

The square of a binomial expands as ...

  (a +b)^2 = a^2 +2ab +b^2

So, you need to look for a trinomial with first and last terms that are perfect squares and a middle term that is double the product of the roots of those terms.

This pattern matches ...

  16x^2 -8x +1 = (4x -1)^2

6 0
2 years ago
Question 3<br> 1 pts<br> 2 and -2 are 4 units apart on the number line.<br> True<br> False
EastWind [94]
It’s actually true!

^ ^ ^ ^
<—|——|——|——|——|—>
-2 -1 0 1 2

The 4 arrows above the number line represents the distance between 2 and -2 which is 4!
4 0
3 years ago
The escalator rises 25° from the ground and a vertical distance of 42 feet. How much horizontal distance does the escalator cove
zvonat [6]
Tangent (25) = opp / adj = 42 / horizontal distance
horizontal distance =  42 / tangent (25)
horizontal distance = 42 / 0.46631
horizontal distance = <span> <span> <span> 90.068838326435200 </span> </span> </span>
horizontal distance = 90.1 feet


5 0
3 years ago
Someone please help asap, I will mark as brainliest. Thank you!!
defon

Answer:

the answer is c go ahead and click it

Step-by-step explanation:

8 0
2 years ago
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