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3 years ago

If the average of a set of data is 35, what is the mean

Mathematics

1 answer:

timofeeve [1]3 years ago

6 0

Answer:

Step-by-step explanation:

the average and the mean are the same thing

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What is the speed, if distance is 900 miles and time 300 minutes

riadik2000 [5.3K]

Answer:

3 mi/min

Step-by-step explanation:

speed =distance/time

900/300=3

8 0

3 years ago

Bill has a rope that is 37m long. He wants to cut it into pieces that are 7 m long each. How many pieces of rope he get? How man

ki77a [65]

He will get 5 pieces of rope, with 2 meters of rope left over. This is because 37 divided by 7 is 5 with a remainder of 2

7 0

3 years ago

There are 4,000 books in the town's library. Of these 2,600 are fiction. Write a percent equation that you can use to find the p

defon

Answer:

x = (2600/4000) × 100%

x = 0.65 × 100%

x = 65%

Step-by-step explanation:

The percentage equation that can be used to find the percent of books that are fiction can only be found where the number of fiction books is known and the total number of books available is known as well.

Given;

Number of fiction books = 2,600

Number of books = 4,000

let the percent of books that are fiction be x

x = (2600/4000) × 100%

x = 0.65 × 100%

x = 65%

5 0

3 years ago

A toddler is allowed to dress himself on Mondays, Wednesdays, and Fridays. For each of his shirt, pants, and shoes, he is equall

avanturin [10]

Answer:

0.0286 = 2.86% probability that today is Monday.

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Dressed correctly

Event B: Monday

Probability of being dressed correctly:

100% = 1 out of 4/7(mom dresses).

(0.5)^3 = 0.125 out of 3/7(toddler dresses himself). So

$P(A) = 0.125\frac{3}{7} + \frac{4}{7} = \frac{0.125*3 + 4}{7} = \frac{4.375}{7} = 0.625$

Probability of being dressed correctly and being Monday:

The toddler dresses himself on Monday, so (0.5)^3 = 0.125 probability of him being dressed correctly, 1/7 probability of being Monday, so:

$P(A \cap B) = 0.125\frac{1}{7} = 0.0179$

What is the probability that today is Monday?

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.0179}{0.625} = 0.0286$

0.0286 = 2.86% probability that today is Monday.

4 0

3 years ago

What does the notation P(event) represent

Eduardwww [97]

P(event) denotes the probably of the event. It's a number between 0 and 1. A probabilty of 0 means the event definitely won't happen, 1 means the event definitely will happen, and in between means the event may happen, with higher probabilities meaning it's more likely to happen.

8 0

3 years ago