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Lesechka [4]
3 years ago
6

Lucy places five cards that are labeled 1 to 6 face down on the table and mixes them up. What is the likelihood that her friend

Harry will draw an even numbered card?
Mathematics
1 answer:
melisa1 [442]3 years ago
4 0

Answer:

1/2 or 0.5

Step-by-step explanation:

Within 1 to 6,

Even numbers are 2, 4, 6

While odd numbers are 1, 3, 5

Assuming cards are mixed up properly and the probabilities of drawing a card with any number from 1 to 6 is constant,

Probability of drawing even number cards = number of units of even number cards ÷ total number of units of cards from 1 to 6 aka total number of cards

= 3 / 6

= 1 / 2

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the radius of a circular garden is 6 ft. if one foot of fencing cost 2.75 dollars, how much would you spend to completely surrou
PIT_PIT [208]

Answer:

103.67 dollars.

Step-by-step explanation:

The perimeter of the garden = 2 * π * 6 feet.

So the cost is 2.75 * 12π  dollars.

= 103.67 dollars.

3 0
3 years ago
A college-entrance exam is designed so that scores are normally distributed with a mean of 500 and a standard deviation of 100.
Crank

Answer: 1.25

Step-by-step explanation:

Given: A college-entrance exam is designed so that scores are normally distributed with a mean(\mu) = 500 and a standard deviation(\sigma) =  100.

A z-score measures how many standard deviations a given measurement deviates from the mean.

Let Y be a random variable that denotes the scores in the exam.

Formula for z-score = \dfrac{Y-\mu}{\sigma}

Z-score = \dfrac{625-500}{100}

⇒ Z-score = \dfrac{125}{100}

⇒Z-score =1.25

Therefore , the required z-score = 1.25

6 0
3 years ago
9x – 1= 10x + 9<br> What is x equal to
ivolga24 [154]

Answer:

-10=x

Step-by-step explanation:

9x-1=10x+9

9x-10×=9+1

-x=10

x=-10

4 0
3 years ago
PLEASE HELP ASAP!!!!!!PLEASE HELP ASAP!!!!!! FOR BRAINLIEST ANSWER
BigorU [14]

Answer:

48

Step-by-step explanation:

149 - 101 is 48. All you do is subtract the angles.

4 0
3 years ago
I have been stuck on this forever. Please help me
il63 [147K]
2a. speed= distance
---------------
time

60÷69 = 52.1739 miles per hour.



so for the next one with the airplane flies 296 km in 276 min is the same formula.
296/276 = 39.9839 mph.

I couldn't see the first question clear...sorry but apply same formula.
Hoping this will help you
5 0
3 years ago
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