What is the probability for:
a.) Randomly selecting a person being a male in Grade E?
b.) Given that we picked a random person and he was a male, what is the probability of being in grade E?
c.) Why the results different?
2. Consider each group (Male and Female separately) and assume the salaries follow a Normal Probability distribution:
a.) What is the top 75th percentile of salary for Males?
b.) What is the top 75th percentile of salary for Females?
c.) What is the probability that a male picked at random makes more than 50K?
d.) What is the probability that a female picked at random makes between 30K and 40K?
In the cutting edge age, where a nation must stay up with the latest on science and innovation in the event that it is to have an expectation of staying aware of the western world, Saudi Arabia is dissimilar to numerous other Islamic nations. In the previous 20 years alone, its pioneers have embraced a massive undertaking of refreshing, or setting up programs that would empower Saudi Arabia to contend all around in the nineteenth and twentieth century and make Saudi Arabia a nation known for mechanical and logical advancement. While Saudi Arabia still needs behind nations, for example, the United States and other European nations in science and innovation, they have made gigantic strides forward in redressing this through the foundation of legislative projects and development of framework in territories, for example, data innovation, broadcast communications and natural maintainability. Until as of late as the mid 1990’s web use inside Saudi Arabia was constrained to expansive organizations, the legislature and scholastic or business territories and generally was not accessible to the normal native. In mid 1997 Saudi Arabia reported that web would be accessible locally yet with numerous limitations forced upon it. These limitations come as blocked sites of numerous types in and exertion by the Saudi government to confine the stream of data that it sees unfit for the general population to see. With the authorization of the Saudi government Johnathan Zittrain and Benjamin Edelman of Harvard University tried the web get to abilities, to distinguish conceivable gaps in the intermediary servers utilized by the administration to channel approaching material from outside nations. Of the 64,000 sites tried, the greater part of the boycotted sites were either sexually unequivocal or about religion, yet additionally locales that included points, for example, ladies, wellbeing, medications and popular culture. Amid a great part of the previous 20 years Saudi Arabia has likewise been expanding the extent of their media communications foundation. The venture started when a $4.2 billion contract was granted to AT&T in which regions, for example, the phone system, satellite and coaxel links arrange and cell and remote frameworks were drastically expanded to give a bigger system run inside the nation. The Kingdoms coaxial links have expanded to 6,000 satellite circuits and in excess of 3,100 miles of coaxial links, with in excess of 9,800 lines connecting 152 urban areas and towns to nations around the globe. Saudi Arabia has two cell frameworks set up, one is a simple framework which was presented in the mid 1980’s which as of now has 30,000 lines. The second cell framework is a GSM 900 system, which was operational by 1996 and as of now serves upward of 170,000 endorsers inside the kingdom. Saudi Arabia being a nation generally canvassed in forsake has steady worries about its water supply, water that is required for agribusiness, the oil business and private utilize. Saudi Arabia, not at all like numerous different nations depends intensely on water desalination and fossil water as a way to fulfilling their thirst. Desalination alludes to the way toward expelling abundance salt and different minerals from water to make it usable by individuals. The Shoaiba desalination plant on the shore of the Red Sea is in charge of giving half of all civil water to the kingdom. Shoaiba uses a multi arrange streak refining process that is fit for desalinating 150 million cubic meters of saline water every year. With a specific end goal to keep logical and mechanical movement in Saudi Arabia to its maximum, the King Abdullah University of Science and Technology was opened in Thuwal in 2009. The college is a worldwide graduate research establishment with an accentuation on science and innovation. KAUST as it is called offers degrees in significant fields, for example, software engineering, building sciences, natural sciences and administration and materials sciences. The exploration focal point of the organization rotates around science and innovation, particularly human needs inside the two, and furthermore social progression and monetary improvement. Outstanding social progressions incorporate KAUST being the main blended sex college in Saudi Arabia where ladies don’t need to wear a hijab.>