Answer:
Area = 1500
Step-by-step explanation:
Area= height ×(Base 1 +base 2)
Area = 20 × (40+35)
Area = 20×75
Area = 1500
Kevin has just purchased a small rectangular fish tank that holds 904.5 milliliters of water. The tank has a length of 15 cm and
1 answer:
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Answer:
(a) and
are indeed mutually-exclusive.
(b) , whereas
.
(c) .
(d) , whereas
Step-by-step explanation:
<h3>(a)</h3> means that it is impossible for events
and
to happen at the same time. Therefore, event
and
are mutually-exclusive.
By the definition of conditional probability:
.
Rearrange to obtain:
.
Similarly:
.
Note that:
.
In other words, and
are collectively-exhaustive. Since
and
are collectively-exhaustive and mutually-exclusive at the same time:
.
By Bayes' Theorem:
.
Similarly:
.