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marin [14]
3 years ago
14

If you toss a coin 4 times, what is the probability of landing heads, heads, tails, heads and then heads?

Mathematics
2 answers:
storchak [24]3 years ago
7 0
50 percent chance for either one
Daniel [21]3 years ago
6 0

Answer: 0%

Step-by-step explanation:

if you toss a coin 4 times you cant get 5 results.

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A telemarketing company calls telephone numbers chosen at random. It finds that 30% of calls are not completed (the party does n
cupoosta [38]

Answer:

21%

Step-by-step explanation:

Actually there are three levels of process here.

If 100 calls are made only 70 calls are completed (since 30%not completed)

Out of these 70 completed we find that 40% i.e. 28 calls to a woman and 30% i.e. 21 go to a man.

28 females and 21 males

Out of 28 females 45% buy something =0.45*28=12.6

Out of 21 males 40% buy something = 0.4*21=8.4

Total percent of calls result in a sale = 12.6+8.4=21

So 21% of calls result in a sale

7 0
3 years ago
At the beginning of a​ walk, roberto and juanita are 7.77.7 miles apart. if they leave at the same time and walk in the same​ di
dem82 [27]
Roberto overtakes Juanita at the rate of (7.7 mi)/(11 h) = 0.7 mi/h. This is the difference in their speeds. The sum of their speeds is (7.7 mi)/1 h) = 7.7 mi/h.

Roberto walks at the rate (7.7 + 0.7)/2 = 4.2 mi/h.
Juanita walks at the rate 4.2 - 0.7 = 3.5 mi/h.


_____
In a "sum and diference" problem, one solution is half the total of the sum and difference. If we let R and J be the respective speeds of Roberto and Juanita, we have
  R + J = total speed
  R - J = difference speed
Adding these two equations, we have
  2R = (total speed + difference speed)
  R = (total speed + difference speed)2 . . . . . as computed above
4 0
3 years ago
Rob is making a square pen for his dog to play in. Each
iogann1982 [59]

Answer:

A.900 square feet

Step-by-step explanation:

s×s=A

30×30=900

6 0
2 years ago
A motorist travels 122 km before his first stop. If he had 10% of his journey to complete at this point, how long was the total
dimaraw [331]

Answer:

233km

Step-by-step explanation:

5 0
2 years ago
How does 2 relate to 3
erik [133]

Answer:

The number that was added to the previous number is doubled.

For example:

2+1 = 3

2x1= 2

3+2= 5

2x2=4

5+4=9

4x2=8

8+9=17

I hope this helps:)

4 0
2 years ago
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