For a parameter that is identified, what should happen to the 95% confidence interval as the sample size gets larger?
A. The left tail should get larger.
B. The right tail should get larger.
C. The width of the interval should get smaller.
D. The width of the interval should get wider.
Answer: C
You might also like to view...
A covalent chemical bond is one in which _____
A) electrons are removed from one atom and transferred to another atom so that the two atoms become oppositely charged B) protons and neutrons are shared by two atoms so as to satisfy the requirements of both atoms C) outer-shell electrons of two atoms are shared so as to satisfactorily fill their respective orbitals D) outer-shell electrons of one atom are transferred to fill the inner electron shell of another atom E) electrons from the same atom, but opposite spins, are paired
Condoms are _________.
Condoms are _________. (Check all that are true) [A] attached using a strong adhesive [B] worn for up to one week [C] a way to prevent STDs [D] safe, effective, and easy to obtain
Zebra mussels were introduced into Lake St. Clair around 1988
The table lists the population densities (in grams dry weight per square meter of lake bottom) of native unionid mussels and exotic zebra mussels in the lake before and after this introduction. Both groups feed by filtering small particles from the water. Based on the information given, which of the following best describes the likely relationship between zebra mussels and unionids? Year Unionids Zebra mussels 1986 4.5 0.0 1990 3.7 4.6 1992 1.3 3.4 1994 0.1 3.2 A) Zebra mussels and unionids have no effect on each other. B) Zebra mussels exert a density-independent control on unionid populations. C) Zebra mussels exert a density-dependent control on unionid populations. D) Unionids exert a density-dependent control on zebra mussel populations. E) Unionids exert a density-independent control on zebra mussel populations.
Which of the following shows the steps of a viral infection in the proper order?
A) virus locates host cell ? enters nucleus ? alters host cell DNA ? destroys cell membrane B) virus locates host cell ? alters host cell DNA ? host cell produces copies of virus ? copies enter host cell nucleus ? nucleus leaves cell C) virus locates host cell ? penetrates cell membrane ? enters nucleus ? alters host cell DNA ? host cell produces copies of virus D) virus locates host cell ? forms hydrogen bonds ? changes DNA to RNA? host cell produces copies of virus