A Random Sample of Size 30 from a Normal Population

question 45

Multiple Choice

A random sample of size 30 from a normal population yields = 32.8 with a population standard deviation of 4.51.Construct a 95 percent confidence interval for μ.

• A) [23.96,41.64]
• B) [32.04,33.56]
• C) [31.45,34.15]
• D) [31.19,34.41]

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Definitions:

Tubal Ligation

A surgical method of female sterilization involving the cutting, tying, or otherwise blocking of the fallopian tubes to prevent eggs from reaching the uterus.

Withdrawal Method

A form of birth control where the penis is withdrawn from the vagina before ejaculation to prevent sperm from entering the female reproductive tract.

Birth Control

Various methods or devices used to prevent pregnancy, ranging from hormonal pills to barrier methods and surgical procedures.

Birth Canal

The passageway consisting of the cervix and vagina through which a fetus is delivered during childbirth.