Question
An unbiased coin is tossed until a head appears. The
expected number of tosses required isSolution
Let X denote the number of tails tossed before the head appears. Then X is a geometric random variable. P(head) = 1 / 2 and the expectation is E(X)=1 / (1/2) = 2.
Name the another pointing device which is an alternative to mouse?
The purpose of the primary key in a database is to
A Website address is a unique name that identifies a specific _____ on the Web.
The fraudulent practice of sending emails purporting to be from reputable companies in order to induce individuals to reveal personal information, such ...
Which of the following is used for closing a tab on a browser?
In PowerPoint, what are the objects used to hold text on a slide called?
Which of the following is used by the browser to connect to the location of the Internet resources?
A next-generation Web content development language, __________ typically refers to a suite of technologies that allow developers to store data in a read...
Which of the following is NOT a web browser?
Which of the following is NOT a layer of the Internet Protocol Suite (TCP/IP)?
