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devlian [24]
3 years ago
10

1 Officials estimate the probability that England will host the World Cup in 2018 is 58%. If the estimate is correct, what is th

e probability that England will not host the World Cup?
2 A weather forecast predicts the probability that it will snow the
following day is 23.
What is the probability that it will not snow the following day?


3 There is a 0.7 chance a tennis player will win her next match.
The probability that she will lose her next match is 0.2.
What is the probability the tennis player will draw her next match?

4 At a college, 160 students study Psychology.
120 of the students are female.
What is the probability a Psychology student chosen at random
will be female?

6 A train company calculates that the probability that a train will break down on any one day is 0.012.
On one particular day, the train company has 650 trains running.
How many trains does the train company estimate will break down that day?​
Mathematics
1 answer:
TiliK225 [7]3 years ago
3 0

Answer:

  1. 42%
  2. 1/23
  3. 1.1

4. 3/4

Step-by-step explanation:

  1. 100%_58%=42%
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Zen spent $255 on a bag and a belt. She wanted to buy another
Galina-37 [17]

Answer:

A)$ 45

B) $105

Step-by-step explanation:

Bag and a belt cost $255

Let bag = x

Let belt = y

X+y= 255 equation 1

Let total money be z first

Remaining money= z-255

X-30 = z-255

Y +15 = z-255

Equating the left side of the equation

X+30 = y+15

X-y= 45 equation 2

Solving simultaneously

X+y= 255

X-y= 45

2x = 300

X= 150

If x= 150

150-y= 45

150-45= y

105=y

Bag = $150

Belt = $105

Bag Is 150-105 more than the belt

150-105= $45

8 0
3 years ago
PLS HELP! Which transformation could take figure P to figure Q?
solmaris [256]

Answer:

3. A single translation

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Mrs. Carlyle bought a bag of nuts for her children. Phillip, Joy, Brent, and Preston took some from the bag.Phillip took 1/3. Jo
BARSIC [14]

Answer:

Originally there was 324 nuts in the bag.

Phillip took 108, Joy took 54, Brent took 81 and Preston took 10.

Step-by-step explanation:

Let's call the total amount of nuts N, and the number of nuts each child took by the initial of their name (Phillip will be P1 and Preston will be P2).

So we can write the following equations:

P1 = N/3

After removing N/3, the remaining nuts is (N - N/3):

J = (N - N/3)/4 = (2N/3)/4 = N/6

After removing N/6 from (N - N/3), the remaining nuts is (N - N/3 - N/6):

B = (N - N/3 - N/6)/2 = (N/2)/2 = N/4

P2 = 10

In the final there were 71 nuts remaining, so we have that:

N - N/3 - N/6 - N/4 - 10 = 71

N - N/3 - N/6 - N/4 = 81

N/4 = 81

N = 324 nuts

The amount of nuts took by each child is:

P1 = N/3 = 108 nuts

J = N/6 = 54 nuts

B = N/4 = 81 nuts

P2 = 10 nuts

8 0
4 years ago
I NEED HELP REALLY BAD!
katen-ka-za [31]
<h2>Answer:</h2>

<u>The area is</u><u> 168 yd²</u>

<h2>Step-by-step explanation:</h2>

The area of Trapezoid is given by

A= (a+b)/2 * h

Putting the values

A = (5+23)/2 * 12

A = 168 yd²

7 0
3 years ago
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This is how the graph should look like

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