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4 years ago

What is the amplitude of the function graphed? Enter your answer in the box.

Mathematics

1 answer:

Charra [1.4K]4 years ago

7 0

8. Amplitude is the amount of boxes or points or numbers between the highest point and lowest point on the graph

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An airline estimates that 94% of people booked on their flights actually show up. If the airline books 68 people on a flight for

Setler79 [48]

Answer:

0.0788

Step-by-step explanation:

In this case the final probability will be the sum of the probability of when there are 67 more reserves when there are 68.

That is to say:

P (f) = P (x = 67) + P (x = 68)

n = 68; p = 0.94

Now we calculate each one:

P (x) = nCx * (p ^ x) * [(1 - p) ^ (n-x)]

nCx = n! / (x! * (n - x)!)

Knowing the formula, we replace:

P (67) = 68C67 * (0.94 ^ 67) * [(1 - 0.94) ^ (68-67)]

nCx = 68! / (67! * (68 - 67)!) = 68! / 67! = 68

P (67) = 68 * (0.0158) * (0.06) = 0.064

Now for x = 68

P (68) = 68C68 * (0.94 ^ 68) * [(0.0641 - 0.94) ^ (68-68)]

nCx = 68! / (68! * (68 - 68)!) = 1

P (68) = 1 * (0.0148) * (1) = 0.0148

Then replacing in the main formula:

P (f) = P (x = 67) + P (x = 68)

P (f) = 0.064 + 0.0148

P (f) = 0.0788

8 0

3 years ago

What will be the unit digit of the cube of a number ending with 4 ?

wariber [46]

Answer:

Step-by-step explanation:

unit digit=4

cube=64

6 0

3 years ago

Find the coordinate of X if XY=1 and the coordinate of Y is 0.

rosijanka [135]

X is undefined.

XY = 1

Plug in 0 for Y. X(0) = 1

X = 1/0

So the answer is that X is undefined.

3 0

3 years ago

of 320 consumers polled, some purchase blu-ray movies, some only purchase movies on dvd, and some do both. if 300 people polled

Helga [31]

Answer:

20 people only buy dvds.

Step-by-step explanation:

There are two groups in this problem. One group of people that buys dvds and one that buys blu rays. The total amount of people who buy blu rays is 300, but there's an intersection between the groups and the size of this is 280 people who actually buy both. In order to find out how many people only buy DVDs we first need to figure out how many only buy blu-rays. That is:

people who only buy blu rays = people who buy blu rays - people who buys blu rays and dvds

people who only buy blu rays = 300 - 280 = 20

We can now calculate the amount of people who only buy dvds and that is:

people who only buy dvds =total amount of people - ( people who only buy blu rays + people who buy both)

people who only buy dvds = 320 - (20 + 280) = 320 - 300 = 20 people

3 0

4 years ago

Final exam scores are normally distributed with a mean of 74 in a standard deviation of 6. what percentage of final exam scores

nikklg [1K]

The answer I got for u

3 0

4 years ago