A local zoo has just opened a new stingray environment with 7 young healthy stingrays. The population of stingrays in the endosu
re is expected
to at least double every year and can be represented after years by this inequality.
y > 7(2)
At the time the stingrays were added to the enclosure, the zookeepers determined that the enclosure could sustain at most 160 stingrays. The
number of stingrays the enclosure can sustain after years, because of budget constraints, can be represented by this inequality.
y 160 - 25
Which point on the graph represents a possible number of stingrays, y, in the enclosure?
Y
240
200
160
120
80
40
-10
to at least double every year and can be represented after years by this inequality.
y > 7(2)
At the time the stingrays were added to the enclosure, the zookeepers determined that the enclosure could sustain at most 160 stingrays. The
number of stingrays the enclosure can sustain after years, because of budget constraints, can be represented by this inequality.
y 160 - 25
Which point on the graph represents a possible number of stingrays, y, in the enclosure?
Y
240
200
160
120
80
40
-10
2 answers:
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With replacement, each draw has a probability of
9 pink out of 18 total number of chips.
Therefore, by the multiplication rule, the probability of having both draws picking a pink is
P(pink,pink) = (9/18)*(9/18) = 81/324 [ = 1/4 ]
or
P(pink,pink) =
9 pink out of 18 total number of chips.
Therefore, by the multiplication rule, the probability of having both draws picking a pink is
P(pink,pink) = (9/18)*(9/18) = 81/324 [ = 1/4 ]
or
P(pink,pink) =