On August 31, 1854, an epidemic of cholera was discovered in London. England, resulting from a contaminated community water pump, fly the end of September, more than 600 citizens who drank water from the pump had died. The cumulative number of death D ( t ) at a time t days after August 31 is given by D ( t ) = 91 + 160 ln ( t + 1 ) . a. Determine the cumulative number of deaths by September 15. Round to the nearest whole unit. b. Approximately how many days after August 31 did the cumulative number of deaths reach 600?
On August 31, 1854, an epidemic of cholera was discovered in London. England, resulting from a contaminated community water pump, fly the end of September, more than 600 citizens who drank water from the pump had died. The cumulative number of death D ( t ) at a time t days after August 31 is given by D ( t ) = 91 + 160 ln ( t + 1 ) . a. Determine the cumulative number of deaths by September 15. Round to the nearest whole unit. b. Approximately how many days after August 31 did the cumulative number of deaths reach 600?
Solution Summary: The author calculates the commutative number of deaths, by September 15 is 535 with rounded to nearest whole number.
On August 31, 1854, an epidemic of cholera was discovered in London. England, resulting from a contaminated community water pump, fly the end of September, more than 600 citizens who drank water from the pump had died. The cumulative number of death
D
(
t
)
at a time t days after August 31 is given by
D
(
t
)
=
91
+
160
ln
(
t
+
1
)
.
a. Determine the cumulative number of deaths by September 15. Round to the nearest whole unit.
b. Approximately how many days after August 31 did the cumulative number of deaths reach 600?
Evaluate the following expression and show your work to support your calculations.
a). 6!
b).
4!
3!0!
7!
c).
5!2!
d). 5!2!
e).
n!
(n - 1)!
Amy and Samiha have a hat that contains two playing cards, one ace and one king. They are playing a game where they randomly pick a card out of the hat four times, with replacement.
Amy thinks that the probability of getting exactly two aces in four picks is equal to the probability of not getting exactly two aces in four picks. Samiha disagrees. She thinks that the probability of not getting exactly two aces is greater.
The sample space of possible outcomes is listed below. A represents an ace, and K represents a king. Who is correct?
Consider the exponential function f(x) = 12x. Complete the sentences about the key features of the graph.
The domain is all real numbers.
The range is y> 0.
The equation of the asymptote is y = 0
The y-intercept is 1
Elementary Statistics: Picturing the World (7th Edition)
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