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astraxan [27]
2 years ago
8

PLZZZZZZ HELPPPPPP MEEEEEEE

Mathematics
1 answer:
Alex Ar [27]2 years ago
3 0
The answers are
9x
Y+15
Z^2-11
3w-11
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24+3/8w. W=1/2. I need help nowwwww
aleksklad [387]

Answer:

24 3/16

Step-by-step explanation:

To work out the question, you first have to replace the letter with its numerical value. In this case, W = ½

therefore it becomes,

24 + (⅜ ✖ ½)

24 + 3/16

= 24 3/16

I hope it helps

4 0
3 years ago
Are your finances, buying habits, medical records, and phone calls really private? A real concern for many adults is that comput
Andrej [43]

Answer:

a)There is a 4.88% probability that none is concerned that employers are monitoring phone calls.

b)There is a 7.89% probability that all are concerned that employers are monitoring phone calls.

c)There is a 37.23% probability that exactly two are concerned that employers are monitoring phone calls.

Step-by-step explanation:

The binomial probability is the probability of exactly x successes on n repeated trials in an experiment which has two possible outcomes (commonly called a binomial experiment).

It is given by the following formula:

P = C_{n,x}.p^{n}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinatios of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of a success.

In this problem, a success is being concerned that employers are monitoring phone calls.

53% of adults are concerned that employers are monitoring phone calls, so p = 0.53

(a) Out of four adults, none is concerned that employers are monitoring phone calls.

Four adults, so n = 4.

Is the probability of 0 successes, so x = 0.

P = C_{n,x}.p^{n}.(1-p)^{n-x}

P = C_{4,0}.(0.53)^{0}.(0.47)^{4}

P = 0.0488

There is a 4.88% probability that none is concerned that employers are monitoring phone calls.

(b) Out of four adults, all are concerned that employers are monitoring phone calls.

Four adults, so n = 4.

Is the probability of 4 successes, so x = 4.

P = C_{n,x}.p^{n}.(1-p)^{n-x}

P = C_{4,0}.(0.53)^{4}.(0.47)^{0}

P = 0.0789

There is a 7.89% probability that all are concerned that employers are monitoring phone calls.

(c) Out of four adults, exactly two are concerned that employers are monitoring phone calls.

Four adults, so n = 4.

Is the probability of 4 successes, so x = 2.

P = C_{n,x}.p^{n}.(1-p)^{n-x}

P = C_{4,2}.(0.53)^{2}.(0.47)^{2}

P = 0.3723

There is a 37.23% probability that exactly two are concerned that employers are monitoring phone calls.

3 0
3 years ago
A bag contains 2 red, 4 blue, and 4 yellow marbles. What is the probability of pulling a red marble, putting the marble back, an
sdas [7]

Answer:

B.) 8%

Step-by-step explanation:

Answer: B.) 8%

8 0
3 years ago
Help me out pleasee will give brainliest or whatever its called
Brums [2.3K]

Answer:

-8z-1

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Using the following diagram, solve for X.
Viefleur [7K]

Answer:

17.5

Step-by-step explanation:

4 0
3 years ago
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