2. Find the following z-scores: a. Za10 b. Z.975 c. Z,005 0.005 d. Zs Zo30 "0.80 "0.30

Q: what percent od 60 is 15

A:

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A: Givenpercentage of students going on a field trip = 12%

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Q: 12. 109 105 70 B.

A:

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Q: 4. Find P7 A. z = -3.21 B. z = -1.48 C. z = 1.48 D. z = 0.74

A: Z-score percentile  * For normal distribution Excel command to get z-score from p-value…

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Q: Four out of five students got As in math. What percent of students got As in math?

A: From the Percentages

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A: For a set of n observations, x1, x2, ... , xn, mean or average is given by, This is measure of…

Q: GCF(270, 162) =

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Q: 20 W op 4% -(X+Y) ce (x+y) axdy се D

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Q: How many of your batchmates have you surpassed if your graduation rank in high school is 56th…

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Q: Jerry has a stack of coloured paper. 5/8 of the sheets of paper are blue. 30% of the remaining…

A: Jerry has a stack of coloured paper. 5/8 of the sheets of paper are blue. 30% of the remaining…

Q: Find the coefficient of determination if SSE = 50 and SSR = 90.

A: Given information- SSE=50SSR=90 We have to find the coefficient of determination (R2).

Q: -V484:

A:

Q: Last year Ozzie Albies had 18 hits in April, 25 in May, 35 in June, 25 in July, 31 in August, 28 in…

A: Hits in April = 18 Hits in may = 25 Hits in june = 35 Hits in july= 25 Hits in august = 31 Hits in…

Q: Find the mean: 4,5,7,9

A: The data set is: 4,5,7,9

Q: Juan's team in College Prep math were using the "ruler drop" technique to study reaction times.…

A: Average=Total value/total number

Q: 3. Which of the following two numbers is larger: (33) 93 or 63)

A: From the provided information, The numbers are as follow: 93309363

Q: Calculate the following values. a. 8! and 6! b. gC6 C. gP6

A: The given factorial, combination and permutation.

Q: Of a random sample of 130 voters, 44 favored a state tax increase to raise funding for education, 69…

A: Type of test: The investigator is specifically interested to test whether the voters in the state…

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Q: 22 Find the following: 4 3

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A: given  x = 1275 preferred AT&T to Sprint n =Of 1800 randomly and independently selected people…

Q: 68% of the parts were defective. The total of all parts was 1780. How many were defective?

A: Answer: 1)  Given, Total parts=1780   Defective parts in Percentage = 68%    We have to find a…

Q: his

A: Batting average formula is given by - Total number of hits /Total number of At- bats =…

Q: are playing the Integer o Ryan's Hand 5, - 4, 8, - 7 -4 8.

A:

Q: K. P. S. A %23 K.

A: Conditions for Congruence of Triangles: SSS (Side-Side-Side) SAS (Side-Angle-Side) ASA…

Q: where did  you get 0.5 from

A: The mean of the distribution, The standard deviation of the distribution,

Q: Estimate the missing term in the following table : X Y 1 2 2 3 4 4 5 ? 32

A:

Q: What is the area of a regular hexagon inscribed in a circle of radius 9 meters?

A: Given :   Radius = 9 meters

Q: 3. Diego has 90 songs on his playlist. How many songs are there for each genre? 36% 9 Sangs a. 40%…

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Q: How does k=.067?

A: Since we want to find the z-score for the 75th percentile (top 25 percent), we need to find the…

Q: Calculate the SD for these scores:

A: Given that,Sample size To find the standard deviation of the data.

Q: Sandy’s shoe store received a shipment of shoes for its newest location. The manager determined that…

A: Let us consider total number of shoes received by Sandy's shoe store be X, Let the number of…

Q: The boxplot below shows the precipitation in Chicago, IL (in inches) over the past 30 years. In how…

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Q: A 34% decrease resulted in 21 business in the downtown area. What was the number of businesses…

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Q: Brandon's score in the high jump at a track and field event showed that he was only able to jump…

A: B's score in the high jump at a track and field event showed that he was only able to jump higher…

Q: 5x A B (16х— 5)° G. 15x E D

A: