The Probability That a Call Received by a Certain Switchboard

question 177

Multiple Choice

The probability that a call received by a certain switchboard will be a wrong number is 0.02.Use the Poisson approximation to the binomial distribution to find the probability that among 140 calls received by the switchboard,there are at least two wrong numbers.

• A)0.5305
• B)0.7616
• C)0.7689
• D)0.2384
• E)0.2311

Understand the basic physiological and psychological processes of listening including decoding sounds and memory storage.

Identify and differentiate between various listening styles and their application in different contexts.

Recognize the impact of gender on listening preferences and strategies.

Comprehend the differences between speech rate and thought rate and their implications for communication.

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Definitions:

Equity Method

An accounting technique used to assess the investments in other companies where the investor has significant influence but not full control.

Patent

A form of intellectual property right that grants the patent holder exclusive rights to an invention for a certain time period, preventing others from making, using, selling, or distributing the patented invention without permission.

Significant Influence

A level of control in an investment, usually signifying the ability to participate in financial and operating policy decisions of the investee without having full control.

Equity Method

An accounting technique used to record investments in associate companies, where the investment is initially recorded at cost and adjusted thereafter for the investor's share of the investee's net profits or losses.