Calculus and Above

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Let X represent the number of occupants in a randomly chose
Let X represent the number of occupants in a randomly chose car on a certain stretch of highway during morning commute hours. A survey of cars showed that the probability distribution of X is a follow… read more
Kofi
Kofi
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Let X represent the number of occupants in a randomly chose
Let X represent the number of occupants in a randomly chose car on a certain stretch of highway during morning commute hours. A survey of cars showed that the probability distribution of X is a follow… read more
Kofi
Kofi
PhD in Statistics
Ph.D.
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Let X represent the number of occupants in a randomly chose
Let X represent the number of occupants in a randomly chose car on a certain stretch of highway during morning commute hours. A survey of cars showed that the probability distribution of X is a follow… read more
Kofi
Kofi
PhD in Statistics
Ph.D.
18,572 satisfied customers
Let X represent the number of occupants in a randomly chose
Let X represent the number of occupants in a randomly chose car on a certain stretch of highway during morning commute hours. A survey of cars showed that the probability distribution of X is a follow… read more
Kofi
Kofi
PhD in Statistics
Ph.D.
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Suppose the probability distribution of X, the number of
Suppose the probability distribution of X, the number of overseas trips taken by Australians in the past year, is given below:x 0 1 2 3 ≥4 P(X = x) 0.77 0.15 0.03 0.02 0.03What is the probability that… read more
rajeevanpillai
rajeevanpillai
Master's Degree
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1. Finding Probabilities in Normal Distributions Let X
1. Finding Probabilities in Normal DistributionsLet X represent the full height of certain species of tree. Assume that X is normally distributed with a mean of 240 feet and a standard deviation of 38… read more
Kofi
Kofi
PhD in Statistics
Ph.D.
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Could i get some help with this question please. Use the
good afternoon could i get some help with this question please. Use the following table: x 1 2 3 4 5 P(x) 0.70 0.15 0.10 0.03 0.02 a) P(2) = b) P(more than 3) = could i see your detailed solution than… read more
DebdattaBhattacharya
DebdattaBhattacharya
Doctoral Degree
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Linda is waiting for the release of her final grade results
Linda is waiting for the release of her final grade results for a law course. The lecturer has informed students that the final grades were approximately normally distributed with a mean of 68 and a s… read more
Sandhya_sharma
Sandhya_sharma
Master's Degree
Master's Degree
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3. A fast food restaurant estimates that the mean sodium
3. A fast food restaurant estimates that the mean sodium content in one of its breakfast sandwiches is no more than 920 milligrams. A random sample of 44 breakfast sandwiches has a mean sodium content… read more
Kofi
Kofi
PhD in Statistics
Ph.D.
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Over a certain stretch of highway car accidents occur on
Over a certain stretch of highway car accidents occur on average at the rate of 0.03 per hour. The number of accidents over any given period conforms to the Poisson distribution. Over the next 10 hour… read more
Sandhya_sharma
Sandhya_sharma
Master's Degree
Master's Degree
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1. When 3 marbles are drawn from a bag without replacement.
1. When 3 marbles are drawn from a bag without replacement. There are 5 purple, 6 green, 2 blue and 4 white marbles in the bag. Find the probability of getting.a) All green marbles. b) A purple, then … read more
Kofi
Kofi
PhD in Statistics
Ph.D.
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If X is a normally distributed random variable with a mean
If X is a normally distributed random variable with a mean of 25 and a standard deviation of 3.8, what is the probability that an instance of X, Xi, will be greater than 24.544?… read more
Sandhya_sharma
Sandhya_sharma
Master's Degree
Master's Degree
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The data below represent the number of hours worked per day
The data below represent the number of hours worked per day by one employee over the last two monthsHours 5 6 7 8 Days 10 8 16 626. Construct a complete probability distribution. Be sure to include: t… read more
R.R. Jha
R.R. Jha
Bachelor's Degree
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In a random sample of six microwave​ ovens, the mean repair
In a random sample of six microwave​ ovens, the mean repair cost was ​$85.00 and the standard deviation was ​$11.00. Assume the population is normally distributed and use a​ t-distribution to construc… read more
GLENN GILONGOS
GLENN GILONGOS
Master of Mathematics
637 satisfied customers
NBC TV news, in a segment on the price of gasoline
1. NBC TV news, in a segment on the price of gasoline, reported last evening that the mean price nationwide is $1.50 per gallon for self-serve regulate unleaded. A random sample of 35 stations in the … read more
Stevewh
Stevewh
Teacher
Bachelor's Degree
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1. Describe the following variables as quantitative or qualitative,
1. Describe the following variables as quantitative or qualitative, and describe the scales of measurement. A. The distance a student commutes from home to campus. B. The rating of a stock as "strong … read more
R.R. Jha
R.R. Jha
Bachelor's Degree
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1.Assume that the weight loss for the first month of a diet
1.Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution… read more
SusanAthena
SusanAthena
Master's Degree
Master's Degree
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"StatsPro" next group for my test 11. Which of the following
"StatsPro" next group for my test 11. Which of the following statements are true? (Check one) I. A sample survey is an example of an experimental study. II. An observational study requires fewer resou… read more
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