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likoan [24]
3 years ago
5

Question

Mathematics
1 answer:
kirza4 [7]3 years ago
4 0

Answer:

PLEASE SHOW THE FIGURE PLEASE SO THAT I CAN HELP YOU

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Let X be the mean of a random sample of size n = 64 from the uniform distribution on the interval (0, 3), i.e. f(x) = ( 1 3 , 0
allochka39001 [22]

Answer:

P ( 1.2 < X < 2.1 ) = 0.3

Step-by-step explanation:

Given:

Uniform distribution over interval (0,3) can be modeled by a probability density function f(x)

f(x) = 1 / (b - a)

Where a < x < b is the domain at which function is defined:

f(x) = 1 / (3) = 1 / 3

Where, X - U ( u , δ )

u = ( a + b ) / 2 = (0 +3) / 2 = 1.5

δ = ( b - a ) / sqrt (12) = (3 - 0) / sqrt (12) = 0.866

Hence,

X - U ( 1.5 , 0.866 )

There-fore calculating P ( 1.2 < X < 2.1 ):

P ( 1.2 < X < 2.1 ) = \int\limits^b_a{f(x)} \, dx

Where, a = 1.2 and b = 2.1

P ( 1.2 < X < 2.1 ) = x / 3 |

P ( 1.2 < X < 2.1 ) = 2.1 /3 - 1.2 / 3 = 0.3

Answer: P ( 1.2 < X < 2.1 ) = 0.3

6 0
3 years ago
What is the estimate of 234,444,043
Nataly_w [17]

Answer:

200,000,000

or 230,000,000  depending on what place your rounding to

Step-by-step explanation:

4 0
3 years ago
What is the oppsite of 1/2
mr_godi [17]

Answer:

the reciprocal is 2/1

you just flip the denominator and numerator to get your reciprocal

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which expression can be used to convert 22 Australian dollars to US dollars?
kati45 [8]
Answer: $26.4 Australian dollars


Y=1.2x
7 0
4 years ago
Adding and subtracting functions<br>g(x) = 4x + 5 f (x) = −3x^2 − 3x Find g(x) + f (x)​
lesantik [10]

Answer: -3x^2 + x +5

Step-by-step explanation:

4x+5 + -3x^2 - 3x ----> -3x^2 + x +5

7 0
4 years ago
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