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serious [3.7K]
2 years ago
12

2) A coin is flipped 60 times, resulting in 12 heads and 48 tails. What is the experimental probability of

Mathematics
1 answer:
jeka942 years ago
7 0

Answer: 12

Step-by-step explanation:

You might be interested in
PROBLABILITY!!!
BigorU [14]

Based on the game rules of randomly picking a card and multiplying it by the roll from a number cube, the following are true:

  1. Probability is 3/8 or 37.5%.
  2. To win 25% of the time, player needs to get 32 or higher.
  3. Probability of a score of 36 or higher in 4 attempts is 1/1,1296.
  4. Teacher should remind everyone that all numbers except only 24 and 30 can appear equally.

<h3>How can the data be represented?</h3>

There are 6 sides to dice and 4 cards. The sample space is:

Dice             Card            Product        

1                 5                         5

1                 6                         6

1                 7                         7

1                 8                         8

2                 5                         10

2                 6                         12

2                 7                         14

2                 8                         16  

3                 5                         15

3                 6                         18

3                 7                         21

3                 8                         24

4                 5                         20

4                 6                         24

4                 7                         28

4                 8                         32

5                 5                         25

5                 6                         30

5                  7                         35

5                  8                         40

6                 5                         30                        

6                 6                         36

6                 7                         42

6                 8                         48

<u />

Frequency table

Product                     Frequency

5                                      1

6                                      1

7                                      1

8                                      1

10                                      1

12                                      1

14                                      1

16                                      1

15                                      1

18                                      1

21                                      1

24                                      2

20                                      1

28                                      1

30                                      2

32                                      1

25                                      1

35                                      1

40                                      1

36                                      1

42                                      1

<u>48                                      1</u>

<u>Total                                24</u>

The frequency table shows that to get 28 or more, a person will have a relative frequency of:

= 1 + 2 + 1 + 1 + 1 + 1 + 1 + 1

= 9

Probability is:

= 9 / 24

= 3/8

= 37.5%

<h3>What product does a player need to win 25% of the time?</h3>

The number of products required to win 25% of the time is:

= 25% x 24

= 6

To find the winning number, count down from the highest product 6 times to get 32.

<h3 /><h3>How can the larger prize be won?</h3>

The probability of getting 36 or higher is:

= ∑(Probabability of picking 36 and above numbers)

= 1 / 24 + 1/24 + 1/24 + 1/24

= 1 / 6

The probability of repeating this 4 times is:

= 1 / 6 x 1 / 6 x 1/ 6 x 1 / 6

= 1 / 1,296

= 0.0007716

Find out more on frequency tables at brainly.com/question/2002190.

#SPJ1

8 0
1 year ago
Two forces of 418 N. And 590 N. Act on an object the angle between the forces is 48° find the magnitude of the resultant and the
Schach [20]

Answer:

Magnitude of the resultant force (Rf) = 923.5 N (Approx)

Step-by-step explanation:

Given:

Force f1 = 418 N

Force f2 = 590 N

Angle between the forces = 48°

Find:

Magnitude of the resultant force (Rf)

Computation:

Rf = \sqrt{f1^2+f2^2+2f1f2cos\theta} \\\\ Rf = \sqrt{418^2+590^2+2(418)(590)cos(48)}\\\ Rf = \sqrt{174,724+348,100+330,041.98} \\\\ Rf = \sqrt{852,865.98}\\\\ Rf = 923.5

Magnitude of the resultant force (Rf) = 923.5 N (Approx)

4 0
3 years ago
Jacksons kitty weighed 2 pounds and 3 ounces a month later the kitty weighed 56 ounces how much weight did the kitty gain in tha
8_murik_8 [283]

Answer:

21 ounces

Step-by-step explanation:

2 pounds→ convert to ounces= 32

32 ounces+ 3 ounces= 35

56 ounces-35 ounces= 21 ounces

6 0
3 years ago
Read 2 more answers
The menu price of a sandwich at a restaurant is $6. The purchase is subject to a 5% food tax, and you would like to leave a tip
Shtirlitz [24]

Answer:

1. 0.30

2. 1.20

3. 7.50

Step-by-step explanation:

1. 0.30

2. 1.20

3. 7.50

6 0
2 years ago
Read 2 more answers
Solve 2cos(x)-4sin(x)=3 [0,360]
Korvikt [17]
2cos(x) - 4sin(x) = 3

use identity  [cos(x)]^2 +[ sin(x)]^2 = 1 => cos(x) = √[1 - (sin(x))^2]

2√[1 - (sin(x))^2] - 4 sin(x) = 3

2√[1 - (sin(x))^2] = 3 + 4 sin(x)

square both sides

4[1 - (sin(x))^2] = 9 + 24 sin(x) + 16 (sin(x))^2

expand, reagrup and add like terms

4 - 4[sin(x)]^2 = 9 + 24sin(x) + 16sin^2(x)

20[sin(x)]^2 + 24sin(x) +5 = 0

use quadratic formula and you get sin(x) = -0.93166 and sin(x) = -0.26834

Now use the inverse functions to find x:

arcsin(-0.93166) = 76.33 degrees

arcsin(-0.26834) = 17.30 degrees






3 0
3 years ago
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