Question
In: Statistics and Probability
A recent survey reported that 50% of 18- to 29-year-olds in a certain country own tablets....
A recent survey reported that 50% of 18- to 29-year-olds in a certain country own tablets. Using the binomial distribution complete.
c. What is the probability that in the next six 18- to 29-year-olds surveyed, at least four will own a tablet?
The probability is_______________.
d.The standard deviation of the number of? 18- to? 29-year-olds who own tablets out of six surveyed ?(Type an integer or a decimal. Round to four decimal places as? needed.)
e. What assumptions do you need to make in? (a) through? (c)? Select all that apply. A. Each observation is classified into one of two mutually exclusive and collectively exhaustive categories. B. The outcome of any observation is independent of the outcome of any other observation.
if you tell me how to do on my TI-84 that is great too.
Solutions
orchestra answered 2 years agoRelated Solutions
A recent survey reported that 63% of 18- to 29-year-olds in a certain country own tablets....
A recent survey reported that 63% of 18- to 29-year-olds in a
certain country own tablets. Using the binomial distribution,
complete parts (a) through (e) below.
?: .52 ?=6
a. What is the probability that in the next
six 18- to 29-year-olds surveyed, four will own a tablet?
The probability is ____
(Type an integer or a decimal. Round to four decimal places as
needed.)
b. What is the probability that in the next
six 18- to 29-year-olds surveyed, all...
A recent survey reported that 39% of 18- to 29-year-olds in a certain country own tablets....
A recent survey reported that 39% of 18- to 29-year-olds in a
certain country own tablets. Using the binomial distribution,
complete parts (a) through (e) below.
a. What is the probability that in the next
six 18- to 29-year-olds surveyed, four will own a tablet?
The probability is ? (Type an integer or a decimal. Round to
four decimal places as needed.)
b. What is the probability that in the next
six 18- to 29-year-olds surveyed, all six will own...
A recent survey reported that 57% to 18 to 29 year olds in a certain country...
A recent survey reported that 57% to 18 to 29 year olds in a
certain country own tablets. Using the binomial distribution ,
complete parts a through e below.
a. What is the probability that in the next six 18- to
29-year-olds surveyed, four will own a tablet?
b. What is the probability that in the next
six? 18- to? 29-year-olds surveyed, all six will own a? tablet?
c. What is the probability that in the next
six? 18- to?...
21. In a survey of women in a certain country (ages 20−29), the mean height was...
21. In a survey of women in a certain country (ages 20−29),
the mean height was 65.8 inches with a standard deviation of 2.87
inches. Answer the following questions about the specified normal
distribution.
(a) The height that represents the 95th percentile is ___.
(b) What height represents the first quartile?
22. The weights of bags of baby carrots are normally
distributed, with a mean of 34 ounces and a standard deviation of
0.31 ounce. Bags in the upper 4.5%...
in a survey of men in a certain country ages (20-29) the mean height was 64.6...
in
a survey of men in a certain country ages (20-29) the mean height
was 64.6 inches with a standard deviation of 2.8 inches.
1. the height that represents the 99th percentile is ?? inches
(round to two decimals places as needed)
2. the height that represents the first quartile is ?? inches
(round to two decimal places as needed)
In a survey of women in a certain country (ages 20minus29), the mean height was 65.6...
In a survey of women in a certain country (ages 20minus29),
the mean height was 65.6 inches with a standard deviation of 2.85
inches. Answer the following questions about the specified normal
distribution. (a) What height represents the 95th percentile?
(b) What height represents the first quartile?
In a survey of women in a certain country (ages 20-29), the mean height was 65.1...
In a survey of women in a certain country (ages 20-29), the
mean height was 65.1 inches with a standard deviation of 2.84
inches. Answer the following questions about the specified normal
distribution. (a) What height represents the 95th percentile?
(b) What height represents the first quartile?
In a survey of women in a certain country (ages 20minus29), the mean height was 64.9...
In a survey of women in a certain country (ages 20minus29),
the mean height was 64.9 inches with a standard deviation of 2.81
inches. Answer the following questions about the specified normal
distribution. (a) What height represents the 95th percentile?
(b) What height represents the first quartile? (a) The height
that represents the 95th percentile is nothing inches. (Round to
two decimal places as needed.) (b) The height that represents the
first quartile is nothing inches. (Round to two decimal...
As reported by a recent survey, the mean height of females 20 to 29 years old...
As reported by a recent survey, the mean height of females 20
to 29 years old is μ=63.9
inches. If the height is approximately normally distributed with
σ=2.8 inches, answer the following questions.
Click the icon to view a table of areas under the normal
curve.
(a) What is the percentile rank of a 20- to
29-year-old female who is 60.9 inches tall?
______th percentile (Round to the nearest integer as
needed.)
(b) What is the percentile rank of a...
According to a survey in a country, 18% of adults do not own a credit card....
According to a survey in a country, 18% of adults do not own a
credit card. Suppose a simple random sample of 900 adults is
obtained. (b) What is the probability that in a random sample of
900 adults, more than 22% do not own a credit card? The
probability is what.? (Round to four decimal places as needed.)
Interpret this probability. If 100 different random samples of 900
adults were obtained, one would expect nothing to result in more...
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