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3 years ago

What is the probability of not rolling a 4. On a standard number cube?

1 answer:

7 0

2 I believe, there are 6 possibilities on a die, 1-2-3-4-5-6. 4 is one of those numbers. Any of the sides could be rolled so each has a probability of 1 out of 6. 1/6 is your answer.

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Denise and Donna want to exchange secrets from across a crowded whispering gallery. Recall that a whispering gallery is a room w

Yuri [45]

Answer:

34 feet

Step-by-step explanation:

From the question, we are told that:

If the room is 30 feet high at the center and 90 feet wide at the floor,

Entire width of the room = 90 feet = 2a

a = 90/2 = 45

Height of the room = b = 30 feet

Foci (c)² = a² - b²

c = √a² - b²

c = √45² - 30²

c = √1125

c = 33.541019662 feet

Approximately to the nearest whole number = 34 feet

Denise and Donna should each stand 34 ft from the outer wall so that they will be positioned at the foci of the ellipse

7 0

3 years ago

The amount of soda a dispensing machine pours into a 12-ounce can of soda follows a normal distribution with a mean of 12.30 oun

Ugo [173]

Answer: A) .1587

Step-by-step explanation:

Given : The amount of soda a dispensing machine pours into a 12-ounce can of soda follows a normal distribution with a mean of 12.30 ounces and a standard deviation of 0.20 ounce.

i.e. $\mu=12.30$ and $\sigma=0.20$

Let x denotes the amount of soda in any can.

Every can that has more than 12.50 ounces of soda poured into it must go through a special cleaning process before it can be sold.

Then, the probability that a randomly selected can will need to go through the mentioned process = probability that a randomly selected can has more than 12.50 ounces of soda poured into it =

$P(x>12.50)=1-P(x\leq12.50)\\\\=1-P(\dfrac{x-\mu}{\sigma}\leq\dfrac{12.50-12.30}{0.20})\\\\=1-P(z\leq1)\ \ [\because z=\dfrac{x-\mu}{\sigma}]\\\\=1-0.8413\ \ \ [\text{By z-table}]\\\\=0.1587$

Hence, the required probability= A) 0.1587

6 0

3 years ago

Intentionally writing a check on an account with insufficient funds should not be done. True Fals

Ede4ka [16]

False.

The above statement is false because for intentionally writing a check on an account with sufficient funds, it is only considered illegal when it is intended for check kiting, it is written above $100 and has been done more than once.

If it has been done for the 1st time with the intent of depositing an amount to cover the issued check, then it would not be illegal.

6 0

3 years ago

Please help 10 POINTS!!!

iVinArrow [24]

(-5,-1)

Would be ur answer!!

Hope u have a great day beautifulll

3 0

2 years ago

In a study of all babies born at hospitals in one state, it was found that the average (mean) weight at birth was 3197.4 grams.

Effectus [21]

An experiment value can either represent statistic or parameter

The value of the average (mean) weight at birth represents is parameter

<h3>How to determine if the value is statistic or parameter</h3>

The mean value is given as:

$Mean = 3197.4$

From the question, we understand that the value represents the average weight at birth of all babies born at hospitals in one state

The keyword "all" means that the value represents parameter

Hence, the value of the average (mean) weight at birth represents is parameter

Read more about statistic and parameter at:

brainly.com/question/8222250

6 0

2 years ago

What is the probability of not rolling a 4. On a standard number cube?￼

What is the probability of not rolling a 4. On a standard number cube?