We can expect 56% of all adults between the ages of 22 and 25 to believe a master's degree or higher provides an advantage in one's career. Assuming age is not associated with this belief, the probability of the data being the result of chance is calculated to be 0.21. Of the 458 adults surveyed between the ages of 40 and 45, 52% also believed that a master's degree has value in a person's career path.
Of the 524 adults between the ages of 22 and 25 surveyed, 56% believed that a master's degree has value in a person's career path. We cannot say that the results are statistically significant at the 0.05 level of significance.Īt the 0.01 level of significance, political party determines whether a person believes that higher education is necessary for career advancement.Ī survey was conducted to see whether age has an association with the belief that a master's degree or higher provides an advantage in one's career. We expect that 65% of all Democrats believe that higher education is necessary for career advancement.Īt the 0.01 level of significance, political party is associated with whether a person believes that higher education is necessary for career advancement. What is the correct interpretation of the probability? The calculations were statistically significant at the 0.01 level of significance. This is very different from the 65% of Democrats surveyed who stated that higher education was necessary. Of the Republicans, 36% believed that higher education was necessary for people to advance their career.
In the survey, 410 Republicans and 409 Democrats were surveyed. Thus, the probability distribution is shown below.Ī recent survey was conducted to determine if political party has an impact on whether a person believes that higher education is necessary for career advancement. The probability of having1baby in the first pregnancy is70%=0.70and the probability of having1baby in the second pregnancy is70%=0.70, so the probability of=0.09. If the animal gets pregnant twice, the animal can have either one of the below combinations, where the first number represents the number of babies in the first pregnancy and the second number represents the number of babies in the second pregnancy.
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