If X is a normal random variable with parameters µ = 10 and σ 2 = 36, compute
1 answer:
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Answer:
The number of bacteria after
days is given by
where is the initial number of bacteria.
Step-by-step explanation:
The number of bacteria in the sample triples every 10 days, this means after the first 10th day, the number of bacteria is
where is the initial number of bacteria in the sample.
After the 2nd 10th days, the number of bacteria is
after the 3rd day,
and so on.
Thus, the formula we get for the number of bacteria after the <em>n</em>th 10-days is
where is is the <em>n</em>th 10-days.
Since, is 10 days, we have
or
Substituting that into , we get:
Answer:
Step-by-step explanation:
Hello!
The histogram summarizes the amount of sugar in organic snacks. (mg)
Y-axis shows the number of snacks
X-axis shows the amount of sugar per snack
The first column of the histogram show that 2 snacks contain sugar between 220 and 224 mg of sugar.
The second column shows that about 3 snacks have between 224 and 228 mg of sugar.
The third column shows that 8 snacks have between 228 and 232 mg of sugar.
The fourth column shows that 12 snacks have between 232 and 236 mg of sugar.
The fifth column shows that 11 snacks have between 236 and 240 mg of sugar.
The sixth column shows that 3 snacks have between 240 and 244 mg of sugar.
The seventh column shows that 2 snacks have between 244 and 248 mg of sugar.
The total of observations is 2+3+8+12+11+3+2= 41 snacks.
I hope this helps!
