If jobs arrive every 15 seconds on average, what is the probability of waiting at

2

Explanation:

if there are new jobs every 15 seconds and you wait 30 seconds you are more likely to find a job waiting 30 seconds  then waiting only 15 seconds.

During 15 and 16 th century Spain as a beautiful country. they traded goods across the Atlantic ocean.

Explanation:

Spanish empire was very big with a strong naval force. It fought against Ottoman empire, France and in America, Spain wanted its colonies to be independent. Due to the rise of the Portuguese and European powers, Spain lost most of its territories.

Roman Catholic churches were famous in Spain which were brought to America too due to the colonization. Together with Portuguese, Spain entered many international trades. Spanish empire began from 16th century after the arrival of Christopher Columbus after which famous Aztec, Inca and Mayan empire can be seen even today.