The Yeast in Bread Dough Feeds on Sugar to Produce

question 100

Multiple Choice

The yeast in bread dough feeds on sugar to produce carbon dioxide.Why does the dough rise faster in a warmer area?

• A)There is a greater number of effective collisions among reacting molecules.
• B)Atmospheric pressure decreases with increasing temperature.
• C)The yeast tends to "wake up" with warmer temperatures,which is why baker's yeast is best stored in the refrigerator.
• D)The rate of evaporation increases with increasing temperature.

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Definitions:

Chebyshev's Theorem

A statistical theorem stating that for any set of data, the proportion of results that fall within k standard deviations from the mean is at least 1-1/k^2 for k>1.

Empirical Rule

A rule that can be used to compute the percentage of data values that must be within one, two, and three standard deviations of the mean for data that exhibit a bell-shaped distribution.

Sample Space

The entire set of possible outcomes in a probability experiment or situation.

Sample Point

A single outcome from a statistical experiment.