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Among 157 African-American men, the mean systolic blood pressure was 146 mm
Hg with a standard deviation of 27. We wish to know if on the basis of these data,
we may conclude that the mean systolic blood pressure for a population of African-
American is greater than 140.
• Setup the null and alternate hypothesis (1 mark)
• Determine the type of the test (1 mark)
• Use α=0.01, conduct the test and accept or reject the hypothesis on the basis of
the test. (Given Z_0.99=2.33) (3 marks)
The average number of homes sold by a realty company is 2 homes per day. What is the probability that exactly 3 homes will be sold in the next Sunday.( Given that e=2718)
Create an array of size ten; assign one to all its positions one by one through loop, and show array elements one by one on screen with space.
5
4 5 4
3 4 5 4 3
2 3 4 5 4 3 2
1 2 3 4 5 4 3 2 1
2 3 4 5 4 3 2
3 4 5 4 3
4 5 4
5
An insulating sphere with radius of 20cm carries a uniform volume charge density of 1.5×10-⁶ C/m³. Find the magnitude of the electric field at a point inside the sphere that lies 8.0 cm from the center
Given a string in camel case,write a program to convert the given string from camel case to snake case...
example:
if the given word is "PythonLearning" in camel case.,your code should print given word in snake case "Python_Learning"...
y'' - 3y' - 10y = 0 ; y(0)=1 and y'(0)=10
Work done by a substance in reversible nonflow manner in accordance with V=100/p3 ft3 where P in psi. Eavaluate the
work done on or by the substance as the pressure increases from 10 psia to 100 psia.
Which of the following anthropogenic activities directly contribute to freshwater salinisation in Australia’s inland rivers?
A. Water abstraction for industry and the cycling of oceanic salt.
B. Treated wastewater release and groundwater intrusion.
C. Water abstraction for agriculture and wastewater release.
D. Dryland salinity.
E. Poor land management and the weathering of marine derived geology.
21. Which of the following has been a key driver in the evolution of Australia’s unique biodiversity?
A. Australia’s prolonged continental separation from Gondwana and the following geographic isolation to other continents
B. Australia’s expanses of rich and fertile soils, reaching from coasts to the deserts
C. Australia’s close geographic proximity to the tropical Indian sub-continent
D. Australia’s wide, sandy coastal regions that follow the entire perimeter of the country
E. Australia’s steep altitudinal gradient from Mt Kosciuszko to the coastlines
bestSub = 0
highestSales = monthSales(0)
for month = 1 to 11
if monthSales(month) > highestSales
highestSales = monthSales(month)
bestSub = month
endif
next month
display "The best sales for the year was in ", monthName(bestSub)
display "The amount was R”, highestSales
display "The top salesperson for that month was ", nameBestSP(bestSub)
