Let X Be an Unsigned Int on a Machine with 4-Byte

question 1

Multiple Choice

Let x be an unsigned int on a machine with 4-byte unsigned ints. What effect does x>>=1;
X<<=1;
Have?

• A) There is no effect.
• B) The leftmost bit of x is set to 0.
• C) The rightmost bit of x is set to 0.
• D) Both (b) and (c).

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Definitions:

Confidence Interval

A range of values, determined from sample statistics, that is believed to contain the true population parameter with a certain probability.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis; it marks the threshold for statistical significance.

T-Distribution

A probability distribution used in statistical analysis which is appropriate for estimating population parameters for small sample sizes or unknown variances.

T-Distribution

A probability distribution that arises in the sampling distribution of the mean of a normally distributed population when the sample size is small and the population standard deviation is unknown.