06/16/20

Statistics Probability Question

A jar of candy contains 45 red jellybeans, 30 green jellybeans, and 60 purple jellybeans. Find the following probabilities. Q: Now suppose 6 jellybeans are selected without replacement instead.... more
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06/11/20

What is the probability that at least 6 of the balls are white?
An urn has 15 balls that are identical except that 7 are white and 8 are red. A sample of 8 is selected randomly without replacement.
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06/02/20

math help please asap!!!!!!!!!!
1. A survey of the freshman class at PAW was given and the results are shown below. Complete the table and answer the given prompts. Speak a Second Language Do not Speak a Second... more
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06/02/20

part of my egents packet
Erica, the manager at Stellarbeans, collected data on the daily high temperature and revenue from coee sales.Data from nine days this past fall are shown in the table below. ... more
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05/20/20

Problems solved
Problems solvedProblems solvedProblems solvedProblems solvedProblems solvedProblems solvedProblems solvedProblems solvedProblems solved
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05/19/20

A medicine heals 60% of the patients. 10 sick people get this medicine...
A medicine heals 60% of the patients. 10 sick people get this medicine.a) What is the probability that all 10 people are cured?b) What is the probability that at least 1 of the people is cured?c)... more
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05/18/20

Solve x^2+2x+16=0 by completing the square
Solve x^2+2x+16=0 by completing the square
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05/18/20

age of college students
Find the 90% confidence interval for the variance and standard deviation of the ages of seniors at oak park college if a sample of 22 students has a variance of 2.6 years. assume the variable is... more
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05/16/20

Card deck Probability

You pull out a card from a standard deck four times in a row, with replacement each time. Determine the probability that exactly two hearts turn up. 
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05/15/20

An association of Christmas tree growers in Indiana sponsored a sample survey of households to help improve the marketing of Christmas trees
Of 421 households that do display a Christmas tree, 160 lived in rural areas and 261 were urban residents. The tree growers want to know if there is a difference in preference for natural trees... more
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05/13/20

The research department has gathered data from a random sample of 1802 customers.

A newspaper company classifies its customers by gender and location of residence. The research department has gathered data from a random sample of 1802 customers. The data is summarized in the... more
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05/09/20

Which of the following gives the correct negation of the statement
Which of the following gives the correct negation of the statement "P: x is an even number"? A)  ∼P: x is an even number. B)  P: ∼x is an even number. C)  P: ∼x is not an even... more
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05/09/20

known as the ________ property.
If a + b = c and b = 5, then a + 5 = c is known as the ________ property. A)  transitive B)  reflexive C)  substitution D)  symmetric
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05/09/20

Statistics 3301
In this scenario, what is the test statistic? The claim is the percent of U.S. adults who owe more than $6,000 on their credit cards is less than 45%. Sample size =50 U.S. adults Sample... more
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05/06/20

Statistics Problem
 An electrical firm manufactures light bulbs that have a length of life that is approximately normally distributed, with mean equal to 760 hours and standard deviation of 40 hours. Assume that a... more
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05/06/20

Solve the equation to the nearest thousandth
4 exponent of 2x-1 = 38
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05/06/20

Find the value of the variable using Square Root Equations
The radius r (in inches) of a ball is given by r=✔️S/4π ( under the radical), where S is the surface area (in square inches) of the ball. Use the trace feature of a graphing calculator to find the... more
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05/06/20

A stack of 14 cookies is 23.1 centimeters high. How thick is each cookie?

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05/06/20

Write the factored form of a polynomial function with real coefficients a lead coefficient of 1 and zeros of -3,-1,1 and 2
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05/06/20

what is the difference between -4 times a number and 8 is less than 24
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05/05/20

Each student in the Junior class was asked if they had to complete chores at home and if they had a curfew. The table represents the data.
Each student in the Junior class was asked if they had to complete chores at home and if they had a curfew. The table represents the data. Yes Curfew No Curfew Totals Yes Chores 51 24 75 No... more
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05/05/20

Probability questions help please
question 1: The following tree diagram illustrates the sample space of the spinner being spun twice. Determine the probability that blue appears on either spinquestion 2: The following tree diagram... more
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04/30/20

Determine the equation of the line with a y-intercept of 6 and crosses through point (-3, 12)
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04/28/20

Write the polynomial expression: 5x+4x^2(2x+7)-(6x^2-9x) in standard form.
Help please. Thank you. And stay safe.
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04/25/20

Please awnser all questions
Consider the following distribution of data from a college survey.   Android Users iPhone Users Total Ages 18 – 30 405 653 1058 Ages 31 – 40 687 538 1225 Ages 41 –... more
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