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Bess [88]
3 years ago
11

A fellow classmate tosses 5 coins and finds that 3 of them come up tails. Which of the following is the best conclusion for her

to come to ?
Mathematics
1 answer:
frosja888 [35]3 years ago
8 0
This could easily happen with a fair coin after 5 flips
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Hi everyone, I’m currently trying to dive into some lessons before school starts and I’m taking algebra 2 this year and the less
3241004551 [841]
An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit i, which is defined by its property i² = −1. The square of an imaginary number bi is −b². For example, 5i is an imaginary number, and its square is −25
5 0
3 years ago
16/9 is equal to 2 times which fraction?
xxTIMURxx [149]

Answer:

The answer is 8/9

Hope this helps

6 0
3 years ago
Read 2 more answers
Let X denote the life of a semiconductor laser (in hours) with the following probabilities: P(X ≤ 5000) = 0.05 and P(X > 7000
Anna [14]

Answer:

a) P [ x ≤ 7000] is 0.55

b) P [ x > 5000 ] = 0.95

c)  P [ 5000 < x ≤ 7000 ] = 0,5

Step-by-step explanation:

a)  P [ x > 7000 ]  =  0.45   straightforward    P [ x ≤ 7000] is 0.55

The whole spectrum of probabilities is 1 which in this particular case is divided in two parts having 7000 as a limit, then we subtact 1 - 0.45

b) P [ x ≤ 5000]  = 0.05   again we get P [ x > 5000] taking 1-0.05 to get

P [ x > 5000 ] = 0.95

c) P [ 5000 < x ≤ 7000 ]

Under Normal curve distribution the probability of  x ≤ 7000 includes values   smallers  ( to the left of 5000) so we subtract from 0.55 - 0.05 = 0.50

c) P [ 5000 < x ≤ 7000 ] = 0,5

6 0
3 years ago
Find the least whole number that can replace blank 80 to make the statement true. ÷ 18 &gt; 86
sweet-ann [11.9K]

Answer:

649

Step-by-step explanation:

Given the expression :

__ ÷ 18 > 86

Let blank = y

y ÷ 18 > 36

y / 18 > 36

Multiply both sides by 18

(y / 18) * 18 > 36 * 18

y > 648

Hence, the least whole number which can make the statement true is (648 + 1) = 649

3 0
3 years ago
Help needed:( / 25 points
N76 [4]

Answer:

423000cm²

Step-by-step explanation:

its multiply by 10000

3 0
3 years ago
Read 2 more answers
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