Question 1119557
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# 22.
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The duration of the time interval between 10:20 am and 10:45 am is  25 minutes (from the beginning of the 20-th minute to the beginning of the 45-th minute).


The duration of the time interval between 10:30 am  and 10:40 am is 10 minutes (from the beginning of the 30-th minute to the beginning of the 40-th minute).


The probability under the question is equal to the ratio of these two time interval durations  {{{10/25}}} = {{{2/5}}} = 0.4 = 40%.


<U>Answer</U>.    The probability under the question is  {{{10/25}}} = {{{2/5}}} = 0.4 = 40%.
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# 23.
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<U>Answer</U>.  The probability under the question is 0 (zero, ZERO).
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Solved.