02/23/22

A baseball player has a batting average of 0.375. What is the probability that he has exactly 3 hits in his next 7 at bats?

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02/23/22

calculate the slope in Y intercept of the line using summary statistics for each of the variable based on data below
Time: 14, 25, 15, 5, 10, 12, 5, 21GPA: 3.1, 3.7, 3.4, 3.0, 3.1, 3.3, 2.7, 3.8
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02/23/22

what is the residual for 12 hours of study per week what does this indicate about the regression line at that point? Use data below
Time 14, 25, 15, 5, 10, 12, 5, 21GPA: 3.1, 3.7, 3.4, 3.0, 3.1, 3.3, 2.7, 3.8
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02/23/22

what is the predicted GPA value for 12 hours of study per week based on the data below?
Time:14, 25, 15, 5, 10, 12, 5, 21GPA: 3.1, 3.7, 3.4, 3.0, 3.1, 3.3, 2.7, 3.8
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02/22/22

Math can someone help
Mark’s cat eat 72 ounces of food in one week. How many pounds of food do Mark’s cat eat in one week? 1 pound = 16 ouncesA.1/4 B. 3 1/2C. 4 1/2D. 7 1/4
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02/22/22

Probability question
Past records show that at a given college 20% of the students who began as psychology majors either changed their major or dropped out the school. An incoming class has 110 beginning psychology... more
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02/21/22

Please help! Thanks!
If 3x-2 is an odd integer, what is the next consecutive odd integer?a. 3x-1b. 3x-3c. 3x+1d. 3x
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02/21/22

A high school baseball player has a 0.221 batting average. In one game, he gets 7 at bats. What is the probability he will get at least 5 hits in the game?
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02/21/22

A high school baseball player has a 0.221 batting average. In one game, he gets 7 at bats. What is the probability he will get at least 5 hits in the game?
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02/21/22

Andy is a restaurant owner…
Andy is a restaurant owner: He believes 85% of his customers are satisfied with the food quality of his restaurant: From a random sample of 96 customers, what are the following probabilities?... more
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02/21/22

Need help in knowing how to start this one: A researcher…
A researcher would like to estimate the proportion of home-based businesses owned by women. What is the minimum sample size needed to be 99% confident with a 3.9% margin of error? (Round your... more
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02/21/22

A 90% confidence intervals…
A 90% confidence intervals for the proportion of first-year statistics students with brown hair is given to be (0.25, 0.41).(d) What is the standard error of the estimate? (Round to 3 decimal... more
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02/21/22

A computer manufacturing company claims…
A computer manufacturing company claims that only 7.3% of their computers are returned. Kelly thinks that the company is misrepresenting the true proportion of computers that are returned, and that... more
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02/21/22

royal furniture people attached for $890 that's so far has a1490 list price what was the trade discount rate
royal furniture people attached for $890 that so far has a1490 list price what was the trade discount rate
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02/21/22

A. Determine the rule for the above transformation B. Is this a rigid motion? How do you know?
Preimage. ImageA(-4,3)->. A(4,3)B(-3,-3)->. B(3,-3)C (1,2)->. C(-1,2)
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02/21/22

Nonlinear Functions

Which of the following is an example of a graph in the xy-plane of a function with exactly one real zero?A. A linear function with a slope of zeroB. A quadratic function with exactly... more
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02/20/22

a.      What percentage of sales are greater than $13,000?      b.     What percentage of sales are less than $8,000?    c.      What percentage of sales are between $8,000 than $12,000?  
1.      The sales in a store are normally distributed with a mean of $10,000 and a standard deviation of $2000. a.      What percentage of sales are greater than $13,000?     b.     What percentage... more
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02/20/22

a.      What is the mean number of sales? b.     What is the standard deviation of number of sales? c.      Complete the table below.
1.      The probability that a person buys a car from a particular dealership after a test-drive is 25%. From a sample of 100 people that took a test-drive, a.      What is the mean number of... more
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02/20/22

College statistics

The mayor is interested in finding a 90% confidence interval for the mean number of pounds of trash per person per week that is generated in city. The study included 169 residents whose mean number... more
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02/19/22

Triangles and Polygons

A designer is creating a rectangular travel board game. The width of the board is to be 9 inches shorter than the length. If the surface area of the board will be 112 square inches, what will be... more
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02/19/22

sequence formula

Fill in the table. Drag and drop the correct formula based on the sequence. ||sequence|Recursive Formula|Explicit Formula| Let a1=22,14,98,686, .... answers an=an-1+2 an=an-1+7... more
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02/18/22

The number of potholes in any given 1 mile stretch of freeway pavement in Pennsylvania has a Normal distribution.
The number of potholes in any given 1 mile stretch of freeway pavement in Pennsylvania has a Normal distribution. This distribution has a mean of 59 and a standard deviation of 5. Using... more
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02/18/22

Find a 90% confidence interval for the mean of all tree ring dates from this archaeological site. (Round your answers to the nearest whole number.)
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02/18/22

Andy is a restaurant owner: He believes 72% of his customers are…
Andy is a restaurant owner: He believes 72% of his customers are satisfied with the food quality of his restaurant: From a random sample of 82 customers, what are the following probabilities?... more
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02/18/22

Suppose 2% of students drink more than 3 cups of coffee each day.
Suppose 2% of students drink more than 3 cups of coffee each day. To check this claim, a researcher randomly selected a sample of 131 students and found that 4 drink more than 3 cups of coffee each... more
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