Use the Normal Approximation to Find the Indicated Probability $p$ , And

question 85

Multiple Choice

Use the normal approximation to find the indicated probability. The sample size is population proportion of successes is $p$ , and $X$ is the number of successes in the sample.
$$n = 78 , p = 0.75 : P ( X < 68 )$$

• A) 0.9906
• B) 0.0094
• C) 0.9890
• D) 0.9920

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Definitions:

Very-Low-Birthweight Infants

Infants who weigh less than 1,250 grams (around 2.25 pounds) or, regardless of weight, have been in the womb less than 30 weeks.

Prematurity

The condition of a baby being born before the completion of the normal term of pregnancy, typically before 37 weeks of gestation.

Small-For-Gestational-Age

Refers to infants whose birth weight or length is significantly below the norm for their gestational age, often due to genetic factors or issues during pregnancy.

Chromosomal Damage

Structural changes or breaks in chromosomes, which can lead to genetic disorders or diseases.