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sesenic [268]
3 years ago
13

Population of fruit flies has a mean life span of 46 days with a standard deviation of 6.2 days. If a sample of 30 fruit flies i

s taken from this population, what is the probability it will have a sample mean life span of greater than 48 days?
Mathematics
1 answer:
icang [17]3 years ago
7 0
Idk sorry I would answer if I did but I need points to ask a question
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Choose the answer that makes the sentence true. (Blank) real numbers are integers. A. All B. Some C. No
zvonat [6]

Answer:

Some real numbers are integer

Step-by-step explanation:

Real numbers ;

  1. Natural numbers (counting numbers) = Integer
  2. Whole numbers = Integers
  3. Integers =Integers
  4. Rational numbers (fractions , repeating or terminating decimals) = Fraction and decimal are not integers
  5. Irrational numbers. = Not integer
4 0
3 years ago
Read 2 more answers
Mitra created a mosaic design using square 2x2 cm white tiles and 2x3 cm rectangular centimeter black tiles. She used twice as m
zvonat [6]

Mitra used 156 white tiles of 2x2 cm and 76 black tiles of 2x3 cm to form a pattern with an area of 1092 cm²

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

Let x represent the number of white tiles and y represent the number of black tiles.

Area of white tiles = 2 cm * 2 cm = 4 cm²

Area of black tiles = 2 cm * 3 cm = 6 cm²

She used twice as many white tiles as black tiles. Hence:

x = 2y   (1)

Also, the finished pattern was 1092 square centimeters in area. Hence:

4x + 6y = 1092   (2)

From both equations:

x = 156, y = 78

Mitra used 156 white tiles of 2x2 cm and 76 black tiles of 2x3 cm to form a pattern with an area of 1092 cm²

Find out more on equation at: brainly.com/question/2972832

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3 0
2 years ago
Jackie drinks a bottle of water and a bottle of orange juice every morning.
melisa1 [442]

Answer:

15.30

Step-by-step explanation:

use code tiko

3 0
3 years ago
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2. A sphere has surface area 16π. Find the radius of the sphere.
KiRa [710]

Answer:

The answer to your question is: 2.29 units

Step-by-step explanation:

Data

Volume = 16π

radius = ?

Formula

V = \frac{4}{3}π r^{3}

Process

                         16 π =  \frac{4}{3}π r^{3}

                         \frac{16(3)}{4} = r^{3}

                         r³ = 12

                        r = 2.29

7 0
3 years ago
Which of the following numbers is the greatest?<br><br>2.5<br>-2.5<br>0<br>-7​
vodka [1.7K]

Answer:

2.5

Step-by-step explanation:

2.5 is the only positive number amongst the options, so it must be the greatest.

4 0
1 year ago
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