A Sample of a Given Size Is Used to Construct

question 76

Multiple Choice

A sample of a given size is used to construct a 95% confidence interval for the population mean with a known population standard deviation. If a bigger sample had been used instead, then the 95% confidence interval would have been ________ and the probability of making an error would have been ________.

• A) wider; smaller
• B) narrower; smaller
• C) wider; unchanged
• D) narrower; unchanged

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Definitions:

Palindromic Sequence

A sequence of DNA or RNA that is the same when read forwards or backwards.

DNA Sequence

The precise order of nucleotides within a DNA molecule, which determines the genetic information carried by that molecule.

Genomic Library

A collection of DNA fragments that represent the entire genome of an organism, stored in vectors and maintained in host cells for study.

Spliced

The process of removing introns and joining exons together in a pre-mRNA molecule to form a mature mRNA strand.