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3 years ago

5

A fair coin is tossed three times in succession. The set of equally likely outcomes is {HHH, HHT, HTH, THH, HTT, THT, TTH, TTT}.

Find the probability of getting exactly zero heads.

1 answer:

Snezhnost [94]3 years ago

5 0

Answer:

⅛

Step-by-step explanation:

Zero heads = all tails

1/8

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2 years ago

How many solutions does the nonlinear system of equations graphed below have?

Ostrovityanka [42]

Answer:

Option (A)

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Solution of two functions represented by the graph are the common points or point of intersection of the graphs.

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3 years ago

The amounts a soft drink machine is designed to dispense for each drink are normally distributed, with a mean of 11.711.7 fluid

dexar [7]

Answer: 0.1499

Step-by-step explanation:

Given : The amounts a soft drink machine is designed to dispense for each drink are normally distributed, with mean $\mu=11.7\text{ fluid ounces}$

Standard deviation : $\sigma=0.2\text{ days}$

z-score : $z=\dfrac{X-\mu}{\sigma}$

For X = 11.5

$z=\dfrac{11.5-11.7}{0.2}\approx-1$

For X = 11.6

$z=\dfrac{11.6-11.7}{0.2}\approx-0.5$

Now, the probability that the drink is between 11.511.5 and 11.611.6 fluid ounces will be :-

$P(11.5$

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3 years ago