Complete each operation question showing all steps, and reduce the final answer to lowest terms (improper fractions do not need
to be changed to mixed numbers as in grade 9, we work with improper fractions instead).
1 answer:
All the answers, which are reduced to lowest terms, and the steps are in the images below (they’re in order based on the questions). I only answered questions <em>a</em> through <em>e </em>(not f), because it would only allow me to attach five photos. The answer for question <em>c</em> is in mixed numbers form because image said , so as an improper fraction it’s
.
Hope this helps my friend! :)
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Answer:
a) P(three tails) =
b) P(two tails followed by one head) =
Step-by-step explanation:
coin is tossed three times so, outcome is
HHH, TTT, HTH, THH, HHT, THT, TTH, HTT.
Hence sample space will be
S = {HHH, TTT, HTH, THH, HHT, THT, TTH, HTT}
chance of getting three tails is '1' i.e. TTT
hence,
P(three tails) =
two tails followed by one head is TTH
so, chance of getting that outcome is also '1'
hence,
P(two tails followed by one head) =