A Coffee Machine Dispenses Normally Distributed Amounts of Coffee with a Mean

question 91

Multiple Choice

A coffee machine dispenses normally distributed amounts of coffee with a mean of 12 ounces and a standard deviation of 0.2 ounce. If a sample of 9 cups is selected, find the probability that the mean of the sample will be
Greater than 12.1 ounces. Find the probability if the sample is just 1 cup.

• A)0.0668; 0.3085
• B)0.0668; 0.8085
• C)0.5668; 0.8085
• D)0.5668; 0.3085

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Definitions:

Sexual Arousal

The physiological and psychological state of being awake or reactive to sexual stimuli.

Spontaneous Recovery

The reappearance of a conditioned response after a period of rest and with no further conditioning, often observed in behavioral psychology.

Extinction

The diminishing of a conditioned response; occurs in classical conditioning when an unconditioned stimulus (US) does not follow a conditioned stimulus (CS); occurs in operant conditioning when a response is no longer reinforced.

Conditioned Stimulus

A stimulus that, through association with an unconditioned stimulus, comes to elicit a response similar to the response to the unconditioned stimulus.