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4 years ago

What’s the value for x? please help

Mathematics

1 answer:

Mila [183]4 years ago

5 0

Look at the attached picture

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77julia77 [94]

Answer:

Step-by-step explanation:

The answers are F,A,

3 0

4 years ago

What is the answer for 4x + 7x

NikAS [45]

Answer:

11x

Step-by-step explanation:

All you can do in this situation is simplify the equation

4x+7x= 11x

8 0

3 years ago

What is the sum for quadrilateral

mihalych1998 [28]

Answer:

360 degrees

Step-by-step explanation:

The sum of all interior angles in a quadrilateral is 360 degrees.

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3 years ago

Calculate 0.82 + 0.35 ?

natima [27]

ANSWER

EXPLANATION

We want to add the two numbers:

0.82 + 0.35

Using the long addition method, we have:

0 . 8 2

+ 0 . 3 5

Start on the right hand side:

4 0

2 years ago

A study was conducted to determine whether there were significant differences between medical students admitted through special

Mekhanik [1.2K]

Answer:

$P(X\geq 9)=P(X=9)+P(X=10)$

And using the probability mass function we got:

$P(X=9)=(10C9)(0.913)^9 (1-0.913)^{10-9}=0.383$

$P(X=10)=(10C10)(0.913)^{10} (1-0.913)^{10-10}=0.402$

And replacing we got:

$P(X \geq 9) = 0.383 +0.402= 0.785$

Step-by-step explanation:

Let X the random variable of interest "number of students graduated", on this case we now that:

$X \sim Binom(n=10, p=0.913)$

The probability mass function for the Binomial distribution is given as:

$P(X)=(nCx)(p)^x (1-p)^{n-x}$

Where (nCx) means combinatory and it's given by this formula:

$nCx=\frac{n!}{(n-x)! x!}$

We want to find the following probability:

$P(X\geq 9)=P(X=9)+P(X=10)$

And using the probability mass function we got:

$P(X=9)=(10C9)(0.913)^9 (1-0.913)^{10-9}=0.383$

$P(X=10)=(10C10)(0.913)^{10} (1-0.913)^{10-10}=0.402$

And replacing we got:

$P(X \geq 9) = 0.383 +0.402= 0.785$

3 0

4 years ago