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crimeas [40]
3 years ago
7

An unfair coin with p(h) = 0.6 is flipped 3 times and the result of each toss is noted. what is the probability that there are a

t least two heads?

Mathematics
1 answer:
mr_godi [17]3 years ago
4 0
Total possible outcomes: (2)³=8 (heads or tails possibility on each toss) 

Draw out a Tree diagram to illustrate the given example, labelling the probability on each branch. 

Adding all the possible situations with P(t)≥2, we get 0.352 as the probability. 

Hope I helped :) 

You might be interested in
Identify an equation in slope-intercept form for the line parallel to y = 5x + 2
Elanso [62]

Answer:

D. y = 5x + 29

Step-by-step explanation:

To write an equation of a line in slope-intercept form, we need to find the slope and the y-intercept.

The equation of a line is y=mx + b.

x and y are the coordinates of any point on a line.

m is the slope.

b is the y-intercept.

Lines are parallel to each other when they have the same slope. A line parallel to y = 5x + 2 would also have the slope 5.

m = 5

Since we have a point on the line, (-6, -1) and the slope, 5, there is only one missing variable, b, the y-intercept.

Substitute the known information into the equation and isolate b.

y = mx + b

-1 = 5(-6) + b  <=Simplify by solving 5 X -6

-1 = -30 + b

-1 + 30 = -30 + 30 + b  <= Add 30 to both sides to isolate b

29 = b

b = 29  <= Standard formatting puts the variable on the left side

Put the m and b values into the equation of a line to solve:

y = mx + b

y = 5x + 29

6 0
3 years ago
If someone around 831,982 to 830,000 and then someone else rounds 831,982 for 800,000 who would be correct
devlian [24]

<em><u></u></em>

<em><u></u></em>

Question

If someone around 831,982 to 830,000 and then someone else rounds 831,982 for 800,000 who would be correct?

Answer:

Hi, There! Mika-Chan I'm here to help! :)

<em><u>First We Need to know If we're rounding to the Nearest Hundred thousand or Not.</u></em>

<u><em>So The Answer would Be 800,000 If your Going to Round to the nearest Hundred </em></u>

<u><em>But If We're rounding to   The Nearest ten Thousand The Answer would be 830,000</em></u>

:D hope this Helps you!

3 0
3 years ago
Find the perimeter of each polygon. Assume that lines which appear to be tangent are tangent.
ratelena [41]

9514 1404 393

Answer:

  34.8

Step-by-step explanation:

The only polygon in the figure is the triangle outlined in red. Its perimeter is the sum of its side lengths: 15 +6.1 +13.7 = 34.8 units.

__

The two halves of the chord are the same length.

4 0
3 years ago
determine if l || m based on the information given on the diagram. If yes, state the converse that proves the lines are parallel
kirza4 [7]

Answer/Step-by-step explanation:

1. YES.

Converse: If same side interior angles are supplementary, then l || m. (Same side interior angles)

Since the sum of the two same side interior angles, 65° and 115°, equals 180°, therefore, l || m.

2. YES.

Converse: if two angles angles are a linear pair, they are supplementary, therefore l || m. (Linear pair)

Thus,

128° + 53° = 180°.

3. YES.

Converse: if two angles are corresponding angles and congruent, therefore l || m. (Corresponding angles).

Thus,

The indicated angles which are equal to 90°, are corresponding angles therefore, l || m.

4. YES

Converse: if two alternate exterior angles are congruent, then l || m. (Alternate exterior angles)

Thus, the two exterior angles are congruent, therefore l || m.

4 0
3 years ago
If there are 24 blue blocks and six of them are red what percentage of the blocks are red
Tems11 [23]

Answer:

20 % are red

Step-by-step explanation:

I THINK this is what you mean:

24 blue + 6 red = 30 blocks total

6 red / 30 total = 6/30 = .2   = 20 %

4 0
2 years ago
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