5. during one day of trading the stock market, an investor lost $3500 stock, but gained $1675 on another. at the end of the trading day the investors holdings in those two stocks were worth $52,850. what were they worth when the market opened that day?

Amayoral candidate would like to know her residents’ views on a tax on sugar drinks before the mayoral debates. she asks one thousand registered voters from both parties. these voters are an example of a census population convenience sample simple random sample