Mathematics, 30.04.2021 19:00 serellehunt
It is estimated that 20% of the population of Gingerland have red hair. If 8 residents
are chosen at random, what is the probability that... (assume each person is
independent)
a) exactly 6 of them have red hair?
b) less than 6 of them have red hair?
c) at least one of them has red hair?
Round your answers to the nearest thousandth (3 decimal places).
answer part (a) only in this blank.
Your
.001
Answer
Question 7 (1 point)
Answer 6(b) here:
Question 8 (1 point)
Answer 6(c) here:
Answers: 3
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Let us imagine that the number of automobile accidents in a certain region are related to the regional number of registered automobiles in tens of thousands (b1), alcoholic beverage sales in $10,000 (b2), and decrease in the price of gasoline in cents (b3). furthermore, imagine that the regression formula has been calculated as: y = a + b1x1 + b2x2 + b3x3 where y = the number of automobile accidents, a = 7.5, b1 = 3.5, b2 = 4.5, and b3 = 2.5 calculate the expected number of automobile accidents for a football weekend if the region has 25,000 registered vehicles, $75,000 worth of beer is sold, and a gas war causes a 10 cent drop in a gallon of gas.
Answers: 3
It is estimated that 20% of the population of Gingerland have red hair. If 8 residents
are chosen...
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