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Sati [7]
3 years ago
9

Simplify the following

Mathematics
1 answer:
Mashutka [201]3 years ago
5 0

Answer:

60√3 or 103.923

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Step-by-step explanation:

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What was life like in Hargigo before people planted the mangrove trees?
Mamont248 [21]

Answer:

Step-by-step explanation:

That is until they met Dr. Gordon Sato who had an idea of how to help them. He proposed that Hargigo plant mangrove trees near the sea because ... From this one mangrove tree grew many, and these trees gave the people of Hargigo hope. ... They really brought the story of the mangrove trees to life.

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3 years ago
A​ person's blood pressure is monitored by taking 4 readings daily. The probability distribution of his reading had a mean of 13
ss7ja [257]

Answer:

a) Mean = 133, Standard deviation = 2.5

b) Normal distribution

c) 0.0026

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 4

Mean = 133

Standard deviation = 5

a) Mean and the standard deviation of the sampling distribution of the sample mean for the four observations each day.

The sampling distribution has a mean equal to the population mean

\bar{x} = \mu = 133

The standard deviation of the sampling distribution is given by:

\sigma_s = \dfrac{\sigma}{\sqrt{n}} = \dfrac{5}{\sqrt{4}} = 2.5

b) Shape of the sampling​ distribution

Central limit theorem:

When a large sample is drawn from a normal distribution, then the distribution of sample means approaches a normal distribution.

Since the distribution is normal,  the sampling distribution of the sample mean will be bell shaped and follow a normal distribution.

c) P(sample mean exceeds 140)

P( x > 140) = P( z > \displaystyle\frac{140 - 133}{2.5}) = P(z > 2.8)

= 1 - P(z \leq 2.8)

Calculation the value from standard normal z table, we have,  

P(x > 140) = 1 - 0.9974 = 0.0026

0.0026 is the probability that the sample mean exceeds 140.

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3 years ago
If a temperature in degrees Celsius is given as C, finding the sum of 1.8 times C and 32 gives the temperature in degrees Fahren
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3 years ago
cindy,jamal,and monique are dividing a piece of land using the lone divider method.after flipping coins monique has been selecte
lukranit [14]

9514 1404 393

Answer:

The (piece, perceived values) are ...

  • Cindy, (3, 48%)
  • Jamal, (1, 39%)
  • Monique, (2, 33%)

Step-by-step explanation:

We assume the values and questions are as shown in the attachment.

1. After the division, Cindy bids only on piece 3, and Jamal bids only on piece 1. Hence the appropriate final division is ...

  Cindy: piece 3

  Jamal: piece 1

  Monique: piece 2

__

2. Monique divides the land so that the value of each piece to her is 33 1/3%. That is her perceived value for the piece she gets.

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