160 people are asked how many siblings they have, and the results are shown below: # of Siblings Frequency
Relative Frequency Cumulative Frequency
0
38
0.2375
1
38
0.2375
76
2.
23
99
3
0.1938
130
4.
30
0.1875
160
a. Complete the table (Use 4 decimal places when applicable)
b. What percent of the people have exactly zero siblings?
96

If inflation is 6% and nominal gdp grew by 4%, then during the same period real gdp changed by a) -2% b) 2% c) 4% d) 5%

Spider crabs live in the shallow regions of the ocean floor. algae tend to grow on the surface of spider crabs. the algae provide the crabs protection from predators by camouflaging them. the spider crabs give the algae shelter. what does this description suggest? 1. the algae are parasites of the spider crabs. 2. the algae and the spider crabs have a mutualistic relationship. 3. the spider crabs are commensals, and the algae are parasites. 4. the spider crabs benefit from the algae living on them. 5. the spider crabs are parasites of the algae.

Match the given scenarios to the different phases in business cycle. expansion phase - peak phase - recession phase -