A local newspaper contained an article stating that 48% of marriages end in divorce. A different section of this newspaper contained the wedding announcements for 5 couples that were married last month. (a) Would it be statistically significant (unusual) if all of these couples got a divorce? Support your answer. (b) How many of these mariages are expected to end in a divorce?

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Problem 3
Refer to the results of the Gallup poll presented in Problem 2 to respond to the following
questions.
(a) Given that the person polled identified them self as a conservative, what
percentage thought that the news media was too liberal?
(b) Is a person's response to this question independent of their political
identification? Justify your answer.
Problem 4
A local newspaper contained an article stating that 48% of marriages end in divorce. A
different section of this newspaper contained the wedding announcements for 5 couples
that were married last month.
(a) Would it be statistically significant (unusual) if all of these couples got a divorce?
Support your answer.
(b) How many of these mariages are expected to end in a divorce?
Problem 5
A local newspaper contained an article stating that 48% of marriages end in divorce. A
different section of this newspaper contained the wedding announcements for 5 couples
that were married last month.
What is the chance that a majority of these marriages end in a divorce?
Use words to express your answer.
Problem 6
The length ofa California Kingsnake is normally distributed with a mean of 42.8 inches
and a standard deviation of 9.7 inches.
(a) What proportion of California Kingsnakes are between 30 and 60 inches long?
(b) What proportion of California Kingsnakes are under 3 feet in length?
Problem 7
If a couple plans to have 12 children (it could happen), what is the probability that there
will be at least one girl? If the couple eventually has 12 children and they are all boys,
what can the couple conclude?
Them is a 9.9968 probability that a randomly selected 50-year-old female lives through
alUS Department of Health and Human Services). A
Cumala wilI live
Problem 8
Transcribed Image Text:Photo - Google Photos Problem 3 Refer to the results of the Gallup poll presented in Problem 2 to respond to the following questions. (a) Given that the person polled identified them self as a conservative, what percentage thought that the news media was too liberal? (b) Is a person's response to this question independent of their political identification? Justify your answer. Problem 4 A local newspaper contained an article stating that 48% of marriages end in divorce. A different section of this newspaper contained the wedding announcements for 5 couples that were married last month. (a) Would it be statistically significant (unusual) if all of these couples got a divorce? Support your answer. (b) How many of these mariages are expected to end in a divorce? Problem 5 A local newspaper contained an article stating that 48% of marriages end in divorce. A different section of this newspaper contained the wedding announcements for 5 couples that were married last month. What is the chance that a majority of these marriages end in a divorce? Use words to express your answer. Problem 6 The length ofa California Kingsnake is normally distributed with a mean of 42.8 inches and a standard deviation of 9.7 inches. (a) What proportion of California Kingsnakes are between 30 and 60 inches long? (b) What proportion of California Kingsnakes are under 3 feet in length? Problem 7 If a couple plans to have 12 children (it could happen), what is the probability that there will be at least one girl? If the couple eventually has 12 children and they are all boys, what can the couple conclude? Them is a 9.9968 probability that a randomly selected 50-year-old female lives through alUS Department of Health and Human Services). A Cumala wilI live Problem 8
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