Question

Several years ago, 47% of parents who had children in grades K-12 were satisfied with the quality of education the students receive. A recent poll asked 1 comma 155 parents who have children in grades K-12 if they were satisfied with the quality of education the students receive. Of the 1 comma 155 surveyed, 491 indicated that they were satisfied. Construct a 95% confidence interval to assess whether this represents evidence that parents' attitudes toward the quality of education have changed. What are the null and alternative hypotheses? Upper H 0: p equals . 47 versus Upper H 1: p not equals . 47 (Round to two decimal places as needed.) Use technology to find the 95% confidence interval. The lower bound is ? The upper bound is ?

Answer #1

Several years ago, 35% of parents who had children in grades
K-12 were satisfied with the quality of education the students
receive. A recent poll asked 1 comma 145 parents who have children
in grades K-12 if they were satisfied with the quality of
education the students receive. Of the 1 comma 145 surveyed, 465
indicated that they were satisfied. Construct a 95% confidence
interval to assess whether this represents evidence that parents'
attitudes toward the quality of education have...

Several years ago, 47% of parents who had children in grades
K-12 were satisfied with the quality of education the students
receive. A recent poll asked 1 comma 045 parents who have children
in grades K-12 if they were satisfied with the quality of
education the students receive. Of the 1 comma 045 surveyed, 494
indicated that they were satisfied. Construct a 95% confidence
interval to assess whether this represents evidence that parents'
attitudes toward the quality of education have...

Several years ago, 37% of parents who had children in grades
K-12 were satisfied with the quality of education the students
receive. A recent poll asked 1,065 parents who have children in
grades K-12 if they were satisfied with the quality of education
the students receive. Of the 1,065 surveyed, 472 indicated that
they were satisfied. Construct a 99 99% confidence interval to
assess whether this represents evidence that parents' attitudes
toward the quality of education have changed. What are...

Several years ago, 39% of parents who had children in grades
K-12 were satisfied with the quality of education the students
receive. A recent poll asked 1 comma 195 parents who have children
in grades K-12 if they were satisfied with the quality of
education the students receive. Of the 1 comma 195 surveyed, 474
indicated that they were satisfied. Construct a 90% confidence
interval to assess whether this represents evidence that parents'
attitudes toward the quality of education have...

Several years ago, 45% of parents who had children in
grades K-12 were satisfied with the quality of education the
students receive. A recent poll asked 1,045 parents who have
children in grades K-12 if they were satisfied with the quality of
education the students receive. Of the 1,045 surveyed, 457
indicated that they were satisfied. Construct a 95% confidence
interval to assess whether this represents evidence that parents'
attitudes toward the quality of education have changed. What are
the...

Several years ago, 47% of parents who had children in grades
K-12 were satisfied with the quality of education the students
receive. A recent poll asked 1,125 parents who have children in
grades K-12 if they were satisfied with the quality of education
the students receive. Of the 1,125 surveyed, 468 indicated that
they were satisfied. Construct a 99% confidence interval to assess
whether this represents evidence that parents' attitudes toward
the quality of education have changed. What are the...

#22 Several years ago, 39% of parents who had children in
grades K-12 were satisfied with the quality of education the
students receive. A recent poll asked 1 comma 115 parents who have
children in grades K-12 if they were satisfied with the quality of
education the students receive. Of the 1 comma 115 surveyed, 498
indicated that they were satisfied. Construct a 90% confidence
interval to assess whether this represents evidence that parents'
attitudes toward the quality of education...

Several years ago,
3535%
of parents who had children in grades K-12 were satisfied with
the quality of education the students receive. A recent poll
asked
1 comma 1951,195
parents who have children in grades K-12 if they were satisfied
with the quality of education the students receive. Of the
1 comma 1951,195
surveyed,
489489
indicated that they were satisfied. Construct a
9595%
confidence interval to assess whether this represents evidence
that parents' attitudes toward the quality of education have...

Several years ago, 43% of parents who had children in grades
K-12 were satisfied with the quality of education the students
receive. A recent poll asked 1,145 parents who have children in
grades K-12 if they were satisfied with the quality of education
the students receive. Of the 1,145 surveyed, 482 indicated that
they were satisfied. Construct a 95% confidence interval to assess
whether this represents evidence that parents' attitudes toward the
quality of education have changed. What are the...

Several years? ago, 32?% of parents who had children in grades?
K-12 were satisfied with the quality of education the students
receive. A recent poll asked 1 comma 205 parents who have children
in grades? K-12 if they were satisfied with the quality of
education the students receive. Of the 1 comma 205 ?surveyed, 463
indicated that they were satisfied. Construct a 99?% confidence
interval to assess whether this represents evidence that? parents'
attitudes toward the quality of education have...

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