BUAL 2600 GUPTA Exam Questions and
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variance - correct answer -the average of the squared deviations of the
different values of the random variable from the expected value
standard deviation - correct answer -the square root of the variance is
the...
the spread of the values of the random variable from their expected
value - correct answer -the variance and standard deviation measure...
binomial distribution - correct answer -the probability of a success or
failure outcome in an experimental survey that is repeated multiple
times
,1. experiment consists of n identical traits; 2. each trial results in either
"success" or "failure"; 3. probability of success, p, is constant from trial
to trial (probability of failure, q, is 1-p); 4. trials are independent -
correct answer -4 binomial experiment characteristics
binomial random variable - correct answer -if x is the total number of
successes in n trials of a binomial experiment, then x is a...
forecasts - correct answer -poisson distributions are used by
businessmen to make ________ about the number of customers or
sales on certain days or seasons of the years
curve f(x) - correct answer -the continuous probability distribution of
the continuous random variable x if the probability that x will be in a
specific interval of numbers is the...
probability curve and probability density function - correct answer -
other names for a continuous probability distribution are...
, probability - correct answer -an area under a continuous probability
distribution is a...
1. there are an infinite number of normal curves (the shape of any
individual normal curve depends on its specific mean and standard
deviation);2. the highest point is over the mean (also the median and
mode);3. the curve is symmetrical about its mean (the left and right
halves of the curve are mirror images of each other);4. tails of the
normal extend to infinity in both directions (the tail gets closer to the
horizontal axis but never touch it);5. the area under the normal curve to
the right of the mean equals the area under the normal curve to the left
of the mean (the area under each half is 0.5) - correct answer -5
properties of a normal distribution curve
1. formulate the problem in terms of x values;2. calculate the
corresponding z values and restate the problem in terms of these z
values;3. find the required areas under the standard normal curve by
using the table - correct answer -finding normal probabilities
Answers 100% Pass |Already Graded
A+| Verified and Updated
variance - correct answer -the average of the squared deviations of the
different values of the random variable from the expected value
standard deviation - correct answer -the square root of the variance is
the...
the spread of the values of the random variable from their expected
value - correct answer -the variance and standard deviation measure...
binomial distribution - correct answer -the probability of a success or
failure outcome in an experimental survey that is repeated multiple
times
,1. experiment consists of n identical traits; 2. each trial results in either
"success" or "failure"; 3. probability of success, p, is constant from trial
to trial (probability of failure, q, is 1-p); 4. trials are independent -
correct answer -4 binomial experiment characteristics
binomial random variable - correct answer -if x is the total number of
successes in n trials of a binomial experiment, then x is a...
forecasts - correct answer -poisson distributions are used by
businessmen to make ________ about the number of customers or
sales on certain days or seasons of the years
curve f(x) - correct answer -the continuous probability distribution of
the continuous random variable x if the probability that x will be in a
specific interval of numbers is the...
probability curve and probability density function - correct answer -
other names for a continuous probability distribution are...
, probability - correct answer -an area under a continuous probability
distribution is a...
1. there are an infinite number of normal curves (the shape of any
individual normal curve depends on its specific mean and standard
deviation);2. the highest point is over the mean (also the median and
mode);3. the curve is symmetrical about its mean (the left and right
halves of the curve are mirror images of each other);4. tails of the
normal extend to infinity in both directions (the tail gets closer to the
horizontal axis but never touch it);5. the area under the normal curve to
the right of the mean equals the area under the normal curve to the left
of the mean (the area under each half is 0.5) - correct answer -5
properties of a normal distribution curve
1. formulate the problem in terms of x values;2. calculate the
corresponding z values and restate the problem in terms of these z
values;3. find the required areas under the standard normal curve by
using the table - correct answer -finding normal probabilities
