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Q: how did they come up with 47.5
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A: given data,N=520 carsdata are normally distributed n=36df=n-1=36-1=35CI=97%α=1-0.97=0.03
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A: Note- Since you have posted multiple questions, as per our guidelines we are supposed to answer only…
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Q: A pair of dice is rolled 900 times. 1. What is the probability that a total of 7 in the upper faces…
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Q: A card is drawn at random from a standard deck of cards. Recall that there are 13 hearts, 13…
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Q: Let (X, Y) be a random vector with the pdf ƒ(x,y) = 6−(²+0)133 (x,y) = { e−(67) e¯(x+y), (x,y) = R²…
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Q: Three events occur with probabilities P (E₁) = 0.37, P (E₂) = 0.19, and P (E3) = 0.46. If the event…
A: given data P(E1) = 0.37P(E2) = 0.19P(E3) = 0.46P(E1|B) = 0.21P(B) = 0.33
Q: each distances of adult females are normally distributed with a mean of 205 cm and a standard…
A: Mean= 205 Standard deviation = 8.3 Z-score = (x-mean)/standard deviation P(X>214.3) = ?…
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Q: For the following probability density functions, compute P (μ - 2σ < X < μ+ 2σ). f (x) = (1/2)^X, x…
A: f(x)=(1/2)x; x=1,2,.. f(x)=1/2×(1/2)x-1; x=1,2,..
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Q: Quattara 2. The mgf of X is given by Zet 1 - ' et ' (a) Pr(X = 5) (b) Pr(X>7X > 4) (c) E (3X) (a) Mx…
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- Susan bought 20 plants to arrange along the border of her garden. How many distinct arrangements can she make if the plants are comprised of 6 tulips, 6 roses, and 8 daisies?A rock group needs to choose 3 songs to play at the annual Battle of the Bands. How many ways can they choose their set if have 15 songs to pick from?An art store has 4 brands of paint pens in 12 different colors and 3 types of ink. How many paint pens are there to choose from?
- How many ways can 4 men and 4 women stand in line if all the women are first?A palette of water color paints has 3 shades of green, 3 shades of blue, 2 shades of red, 2 shades of yellow, and 1 shade of black. How many ways are there to choose one shade of each color?In a bag, a child has 325 coins worth $19.50. There were three types of coins: pennies, nickels, and dimes. If the bag contained the same number of nickels as dimes, how many of each type of coin was in the bag?
- A buyer of a new sedan can custom order the car by choosing from 5 different exterior colors, 3 different interior colors, 2 sound systems, 3 motor designs, and either manual or automatic transmission. How many choices does the buyer have?A skateboard shop stocks 10 types of board decks, 3 types of trucks, and 4 types of wheels. How many different skateboards can be constructed?A community baseball stadium has 10 seats in the first row, 13 seats in the second row, 16 seats in the third row, and so on. There are 56 rows in all. What is the seating capacity of the stadium?