Question

Claim: Most adults would erase all of their personal information online if they could. A software firm survey of 550 randomly selected adults showed that 65% of them would erase all of their personal information online if they could. Find the value of the test statistic.

Answer #1

Population proportion value is =0.5

Estimate for sample proportion = 0.65

Z test statistic formula for proportion

Claim: Most adults would erase all of their personal
information online if they could. A software firm survey of 501
randomly selected adults showed that 65% of them would erase all
of their personal information online if they could. Find the value
of the test statistic.

Claim: Most adults would erase all of their personal
information online if they could. A software firm survey of 664
randomly selected adults showed that 58% of them would erase all
of their personal information online if they could. Find the value
of the test statistic.
The value of the test statistic is ___.

Claim: Most adults would erase all of their personal information
online if they could. A software firm survey of 613 randomly
selected adults showed that 55% of them would erase all of their
personal information online if they could. Find the value of the
test statistic.

Claim: Most adults would erase all of their personal
information online if they could. A software firm survey of 627
randomly selected adults showed that 57% of them would erase all
of their personal information online if they could. Find the value
of the test statistic.

Claim: Most adults would erase all of their personal information
online if they could. A software firm survey of 535 randomly
selected adults showed that 65% of them would erase all of their
personal information online if they could.
The value of the test statistic is ________________
(Round to two decimal places as needed.)

Claim: Most adults would erase all of their personal
information online if they could. A software firm survey of 527
randomly selected adults showed that 60% of them would erase all
of their personal information online if they could. Find the value
of the test statistic (rounded 2 decimal places).

Claim: Most adults would erase all of their personal
information online if they could. A software firm survey of 417
randomly selected adults showed that 55% of them would erase all
of their personal information online if they could. Complete parts
(a) and (b) below. a. Express the original claim in symbolic form.
Let the parameter represent the adults that would erase their
personal information.

Claim: Most adults would erase all of their personal
information
online if they could. A software firm survey of 677 randomly
selected
adults showed that 56% of them would erase all of their
personal
information online if they could. Find the value of the test
statistic.
The value of the test statistic is
nothing.
(Round to two decimal places as needed.)
Claim: The mean pulse rate (in beats per minute) of
adult males is
equal to 69 bpm. For a...

Claim: Most adults would not erase all of their personal
information online if they could. A software firm survey of 655
randomly selected adults showed that 0.8 % of them would erase all
of their personal information online if they could. Make a
subjective estimate to decide whether the results are significantly
low or significantly high, then state a conclusion about the
original claim.
The results ▼ are not or are significantly ▼ high or low, so
there ▼ is...

1. Most adults would erase all of their personal
information online if they could. A software firm survey of 439
randomly selected adults showed that 55% of them would erase all of
their personal information one line if they could. Find the value
of the test statistic.
2. Fewer than 91% of adults have a cell phone. In a
reputed will poll of 1100 for adults 85% said they have a cell
phone. Find the value of the test statistic....

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