Find the Expected Value

question 254

Multiple Choice

Find the expected value.
-A bus arrives at a bus stop at 10 am, 10 minutes past ten, and 11.00 am. You arrive at the bus stop at random times between 10.00 am and 11.00 am every day, so all arrival times are equally likely.
Find your expected waiting time for the bus.
[Hint: Find the probability that you will arrive at the bus stop between 10.00 am and 10 minutes
Past ten and find your mean waiting time in that case. Then find the probability that you will arrive
At the bus stop between 10 minutes past ten and 11.00 am and find your mean waiting time in that
Case.]

• A)21.7 minutes
• B)15 minutes
• C)22.5 minutes
• D)43.3 minutes

Understand the principles of gene regulation and expression.

Distinguish between inducible and constitutive gene expression.

Explain the roles of various types of RNA in gene expression.

Identify the components and functions of operons in bacteria.

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Definitions:

Rubber

A stretchy, flexible material produced from the latex of certain plants or synthetically through petrochemical processes, used in various products, including tires and gloves.

Cement

A powdery substance made with calcined lime and clay that, when mixed with water, forms a paste that hardens and is used in building for bonding bricks or stones.

Traditional Thinking

A way of thinking that adheres to long-established practices, rules, or patterns, often resisting change or innovation.

Problem Solving

The process of identifying a problem, determining the best solution among alternatives, and implementing that solution effectively.