A survey of 400 employed adults asked if they felt tense or stressed out at work with the accompanying results. Complete parts (a) through (d) below E Click the icon to view the study results. a. Given that the employed adult felt tense or stressed out at work, what is the probability that the employed adult was female? 0.4620 (Round to four decimal places as needed.)

It has been claimed that at a university at least 40% of the students live on campus. In a random sample of 250 students, 90 were found to live on campus. What is the test value for testing the claim at a=.02? O A. - 2.33 B. 1.32 O C. -1.32 O D. - 1.29

In the 1992 presidential election, Alaska's 40 election districts averaged 2008 votes per district for President Clinton. The standard deviation was 573. (There are only 40 election districts in Alaska.) The distribution of the votes per district for President Clinton was bell-shaped. Let X = number of votes for President Clinton for an election district. (Source: The World Almanac and Book of Facts) Round all answers except part e. to 4 decimal places.a. Find the probability that a randomly selected district had fewer than 2096 votes for President Clinton. b. Find the probability that a randomly selected district had between 2047 and 2177 votes for President Clinton.c. Find the third quartile for votes for President Clinton. Round your answer to the nearest whole number.

The table shows the heart rate of students in a conditioning class after 1 minute of doing jumping jacks (beats per minute). 68 105 120 106 120 106 125 110 125 92 94 115 96 100 110 126 112 112 118 118 What is the first quartile of the observations? 106 102.5 105 O 100

From candy to jewelry to flowers, the average consumer was expected to spend $104.63 for Mother’s Day in 2005, according to a Democrat & Chronicle article. Local merchants thought this average was too high for their area.  They contracted an agency to conduct a study. A random sample of 60 consumers was taken at a local shopping mall the Saturday before Mother’s Day and produced the sample mean amount of $94.27.  If σ = $29.50, does the sample provide sufficient evidence to support the merchants’ claim at the 0.03 level of significance? 1. Do you recognize any flaws in this study and what conclusions can you draw?     The article “Well-fed Crickets Bowl Maidens Over” reports that female field crickets are attracted to males that have high chirp rates and hypothesized that chirp rate is related to nutritional status. The usual chirp rate doe male field crickets was reported to vary around a mean of 60 chirps per second. To investigate whether chirp rate was related to nutritional…

Please answer B, C, and D.

A sociologist wanted to determine whether there was a difference in the amount of time children 5-7 spent watching television each day. The following data was gathered. Check the data for evidence that the number of minutes spent watching television is equally distributed throughout the week. Use a=0.05. 23 Day Sun # of minutes 210 *3 # What is the value of the test statistic? E D O 71.26 с O2.82 O27.48 O72.12 C SAN DIEGO STATE stv ♫ Ⓡ $ 4 R F Mon 125 % 5 Q Search or enter address V T G A 6 Tue 140 MacBook Pro B Y H Wed 130 & 7 U N Fax: 619.594.3081 * 00 Thu 125 8 J ↑ 1 M Fri 200 ( 9 < K Sat 225 O ) 0 < L I' P

You want to compare differences in prior arrests across ethnicity in your study, you measured ethnicity as white =0 black =1 hispanic=2, and other =3. Prior arrests was recorded as the number of prior arrests. which test would you perform to see if arrests differ across diffrent ethnic categories? A. ANOVA B. T-test

Part C only please. Thank you!