Determine whether the results appear to have statistical significance, and also determine whether the results appear to have practical significance. in a study of a gender selection method used to increase the likelihood of a baby being born a girl, 2097 users of the method gave birth to 1031 boys and 1066 girls. there is about a 23% chance of getting that many girls if the method had no effect.

the correct answer is economics is a game without winners or losers.

unlike sports or games economic is a game without losers or winner rather it is a game where everyone wins. parties of business doing businesses exchange money with each other and hence exchange is done on the basis of goods. one party takes the goods and other sales it so there is winner on both sides. each party values more highly the good it gets than the good it gives up. both sides exchange only because both intend to increase their value. so there is no concept of lose or win.

a manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. at the end of december, the company wishes to forecast sales for january. the estimate of trend through november has been 200 additional boards sold per month. average sales have been around 1000 units per month. the demand for december was 1100 units. the company uses α = 0.20 and β = 0.10. make a forecast including trend for the month of january.

a. primarily outdoors, responding to emergencies and protecting people.

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