The following are the results of a stratified random sample.
Stratum (h)
ph
Nh
nh
1
0.15
300
50
2
0.18
400
60
3
0.26
350
40
4
0.20
450
55
?
a.Determine the point estimator of the population proportion.b.Estimate the standard error of the population proportion.c.Develop an approximate 95% confidence interval for the population proportion.

Which of the following is TRUE concerning the ethical use of career technology?

a. Career counseling do not have to inform clients of the limitations related to maintaining confidentiality when using career technology b. When using career technology, it is the client's responsibility to ensure reasonable access to computer application c. Career counselors do not have to verify their client's identity when using career technology as doing so would result in violating confidentiality d. Career technology can be used to provide career information, vocational assessments, integrative career services, and data bases of job openings

Employees in matrix-structure product teams are permanent members of two-boss teams

Indicate whether the statement is true or false