Question
In: Advanced Math
Students in a gym class have a choice of swimming or playing basketball each day. Thirty...
Students in a gym class have a choice of swimming or playing basketball each day. Thirty percent of the students who swim one day will swim the next day. Sixty percent of the students who play basketball one day will play basketball the next day. Today, 100 students swam and 200 students played basketball. How many students will swim tomorrow, in two days, and in four days? (Round your answers to the nearest whole number.)
(a) tomorrow: _____students
(b) two days: _____students
(c) four days: _____students
Solutions
Colby Messinger answered 2 years agoRelated Solutions
In class of thirty two, twenty students are to be selected to represent the class. In...
In class of thirty two, twenty students are to be selected to
represent the class. In how many ways can this be done, if :
(a) Paul refuses to represent the class?
(b) Michelle insists on representing the class?
(c) Jim and Michelle insist on representing the class?
(d) Either Jim or Michelle (or both) will represent the
class?
(e) Paul and Michelle refuse to represent the class together?
How to solve this
Brothers and sisters: Thirty students in a first-grade class were asked how many siblings they have....
Brothers and sisters: Thirty students in a
first-grade class were asked how many siblings they have. Following
are the results.
1
1
2
1
2
3
7
1
1
5
1
1
3
0
1
1
1
2
5
0
0
1
2
2
4
2
2
3
3
4
a.
Construct a frequency histogram.
b.
Construct a relative frequency histogram.
c.
Are the histograms skewed to the left, skewed to the right, or
approximately symmetric?
(a) Susan tries to exercise at ”Pure Fit” Gym each day of the week, except on...
(a) Susan tries to exercise at ”Pure Fit” Gym each day
of the week, except on the weekends
(Saturdays and Sundays). Susan is able to exercise, on average, on
75% of the weekdays
(Monday to Friday).
i. Find the expected value and the standard deviation of the number
of days she
exercises in a given week. [2 marks]
ii. Given that Susan exercises on Monday, find the probability that
she will exercise at
least 3 days in the rest of...
. (a) Susan tries to exercise at ”Pure Fit” Gym each day of the week, except...
. (a) Susan tries to exercise at ”Pure Fit” Gym each day of the
week, except on the weekends (Saturdays and Sundays). Susan is able
to exercise, on average, on 75% of the weekdays (Monday to Friday).
i. Find the expected value and the standard deviation of the number
of days she exercises in a given week. [2 marks] ii. Given that
Susan exercises on Monday, find the probability that she will
exercise at least 3 days in the rest...
(a) Susan tries to exercise at ”Pure Fit” Gym each day of the week, except on...
(a)
Susan tries to exercise at ”Pure Fit” Gym each day of the week,
except on the weekends (Saturdays and Sundays). Susan is able to
exercise, on average, on 75% of the weekdays (Monday to
Friday).
Find the expected value and the standard deviation of the number
of days she exercises in a given week. [2 marks]
Given that Susan exercises on Monday, find the probability that
she will exercise at least 3 days in the rest of the week....
A weightlifter works out at the gym each day. Part of her routine is to lie...
A weightlifter works out at the gym each day. Part of her
routine is to lie on her back and lift a 41 kg barbell straight up
from chest height to full arm extension, a distance of 0.55 m .
1. How much work does the weightlifter do to lift the barbell
one time?
2. If the weightlifter does 25 repetitions a day, what total
energy does she expend on lifting, assuming a typical efficiency
for energy use by the...
4. (a) Susan tries to exercise at "Pure Fit" Gym each day of the week, except...
4. (a) Susan tries to exercise at "Pure Fit" Gym each day of the
week, except on the weekends.(Saturdays and Sundays). Susan is able
to exercise, on average, on 75% of the weekdays.(Monday to
Friday).
i. Find the expected value and the standard deviation of the
number of days she
exercises in a given week.
ii. Given that Susan exercises on Monday, _nd the probability
that she will exercise at
least 3 days in the rest of the week.
iii....
4 (a) Susan tries to exercise at ”Pure Fit” Gym each day of the week, except...
4 (a) Susan tries to exercise at ”Pure Fit” Gym each day of the
week, except on the weekends (Saturdays and Sundays). Susan is able
to exercise, on average, on 75% of the weekdays (Monday to
Friday).
Find the expected value and the standard deviation of the
number of days she exercises in a given week. [2
marks]
Given that Susan exercises on Monday, find the probability that
she will exercise at least 3 days in the rest of the...
4. (a) Susan tries to exercise at ”Pure Fit” Gym each day of the week, except...
4. (a) Susan tries to exercise at ”Pure Fit” Gym each day of the
week, except on the weekends (Saturdays and Sundays). Susan is able
to exercise, on average, on 75% of the weekdays (Monday to
Friday).
Find the expected value and the standard deviation of the
number of days she exercises in a given week. [2
marks]
Given that Susan exercises on Monday, find the probability that
she will exercise at least 3 days in the rest of the...
4. (a) Susan tries to exercise at ”Pure Fit” Gym each day of the week, except...
4. (a) Susan tries to exercise at ”Pure Fit” Gym each day of the
week, except on the weekends (Saturdays and Sundays). Susan is able
to exercise, on average, on 75% of the weekdays (Monday to
Friday).
i. Find the expected value and the standard deviation of the
number of days she exercises in a given week. [2 marks]
ii. Given that Susan exercises on Monday, find the probability
that she will exercise at least 3 days in the rest...
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