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Dovator [93]
3 years ago
12

The table shows the probabilities of various candidates winning an election.

Mathematics
2 answers:
ki77a [65]3 years ago
8 0
The last answer because
Garcia has 40%
Brown has 30%
Johnson has 20%
Smith has 10%
GuDViN [60]3 years ago
4 0

Answer: D

Step-by-step explanation:

I hope that this helps you

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We can’t see the tables unless you upload a picture :)
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3 years ago
Matt he bought five book he needed 9 how many more he needed
Dimas [21]

Answer:

5

Step-by-step explanation:

4 0
3 years ago
Find the area of a circle with a circumference of 6.28 unitesz
Anni [7]

Answer:

3.14 square units

Step-by-step explanation:

Circumference of a circle = 2πr

2πr = 6.28

r = 6.28/2π

r = 3.142/π

Area of a circle = πr^2

slot in the value of r

Area of the circle = π( 3.142/π)^2

               "              = π(9.87/ π^2)

                "             = 9.87/π

π = 3.14

Area of a circle = 9.867/ (3.14)

              "            = 3.14 square units

                     

8 0
3 years ago
A game is played with a spinner on a circle, like the minute hand on a clock. The circle is marked evenly from 0 to 100, so, for
zheka24 [161]

Answer:

The probability is 1/2

Step-by-step explanation:

The time a person is given corresponds to a uniform distribution with values between 0 and 100. The mean of this distribution is 0+100/2 = 50 and the variance is (100-0)²/12 = 833.3.

When we take 100 players we are taking 100 independent samples from this same random variable. The mean sample, lets call it X, has equal mean but the variance is equal to the variance divided by the length of the sample, hence it is 833.3/100 = 8.333.

As a consecuence of the Central Limit Theorem, the mean sample (taken from independant identically distributed random variables) has distribution Normal with parameters μ = 50, σ= 8.333. We take the standarization of X, calling it W, whose distribution is Normal Standard, in other words

W = \frac{X - \mu}{\sigma} = \frac{X - 50}{8.333} \simeq N(0,1)

The values of the cummulative distribution of the Standard Normal distribution, lets denote it \phi , are tabulated and they can be found in the attached file, We want to know when X is above 50, we can solve that by using the standarization

P(X > 50) = P(\frac{X-50}{8.33} > \frac{50-50}{8.33}) = P(W > 0) = \phi(0) = 1/2

Download pdf
8 0
3 years ago
The following formula for a sequence is arithmetic or geometric?
arlik [135]

Answer:

Arithmetic

Step-by-step explanation:

An arithmetic progression is characterised by the first term (a), number of terms (n) and common difference (d).

5 0
2 years ago
Read 2 more answers
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