The length of pregnancies are normally distributed with a mean of 208 days and a standard deviation of 15 days a. Find the probability of a pregnancy lasting 308 days or longer, b. ll the length of pregnancy is in the lowest 3%, then the baby is
premature. Find the length that separates premature babies from those who are not premature.


a. The probability that a pregnancy wit last 308 days or longer is II
(Round to four decimal places as needed)

Answers

Answer 1

The required probability values using the normal distribution concept are :

P(X ≥ 308) = 0

Length seperating premature babies = 179.785 days.

Given the Parameters :

Mean, μ = 208Standard deviation, σ = 15

Recall : Zscore = [(X - μ) ÷ σ]

The probability of a pregnancy lasting 308 days or longer :

Zscore = (308 - 208) ÷ 15 = 6.667

P(Z ≥ 6.667) = 1 - P(Z ≤ 6.667)

Using a normal distribution table

P(Z ≤ 6.667) = 1

P(Z ≥ 6.667) = 1 - 1 = 0

The lowest 3% :

The Zscore corresponding to the lower 3% using the normal distribution table is :

P(Z < 0.03) ; Zscore = - 1.881

Calculate the value of X

Zscore = [(X - μ) ÷ σ]

-1.881 = (X - 208) / 15

-28.215 = X - 208

X = - 28.215 + 208

X = 179.785 days

Therefore, length of premature babies are less than or equal to 179.785 days (≤ 179.785 days)

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Answer:

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Answer:

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Explanation:

Edmentum/Plato

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Answer:

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PLATO

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Answer:

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Explanation:

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Answers

Answer: "The Lightning-Rod Man," is a short story by Herman Melville.

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1. "Impious wretch!" foamed the stranger, blackening in the face as the rainbow beamed

2. The scowl grew blacker on his face; the indigo-circles enlarged round his eyes as the storm-rings round the midnight moon. He sprang upon me.

3. and dragging the dark lightning-king out of my door, flung his elbowed, copper scepter after him.

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Answer:

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Answer:

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Did you mean to attach an image with this...?

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Impediments which alter the normal flow of transferring messages or information between a sender and receiver results in communication breakdown. The causes of the breakdown in communication in the pictures are :

Noise from cars due to engine or horn

Noise from Television

Angry conversation resulting in yelling

In other to ensure a smooth and successful communication, the message or information being passed between the speaker and receiver must be well heard and received, hence prompting an appropriate response.

Noise from car engines, horn and other vehicle mechanism would affect the clarity of the information being passed, hence resulting in communication breakdown.

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Being impatient, which causes angry transfer of information such that the communicating parties often misinterprete messages.

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Simple

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From the complete question (see attachment), we have the following observations

The supply (long run) is represented by a vertical lineIrrespective of the price, the supply (long run) remains unchanged

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Answer:

a) output remains constant

Explanation:

got it right on edge

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