The average local cell phone call length was reported to be 2.27 minutes. a random sample of 20 phone calls showed an average of 2.98 minutes in length with a standard deviation of 0.98 minute. at α=0.05, can it be concluded that the average differs from the population average?

a

step-by-step explanation:

if you would like with a question it is easy to get an answer by including some or multi choice options

step-by-step explanation:

the graph is negative for all real values of x where   -6 < x < -2.

step-by-step explanation:

this refers to the values of f(x) in the area below the x-axis.

meaning of term low   inflation is when prices of commodities does not change very highly.so low inflation is   not a sign of healthy economy.the demand of goods becomes higher due to some faulty measures taken by government

there are two kind of inflation

1. positive inflation : when supply of goods is less than prices of those goods rise.

2. negative inflation : when supply of any good is very high so it,s price will fall.

so option c is true : struggling economy because it results from a steady rise in demand.