1 a random sample of 60 college graduates results in a mean

Assignment Help Basic Statistics

Reference no: EM13612898

1) A random sample of 60 college graduates results in a mean time to graduate of 4.58 years, with a standard deviation of 1.10 years. Construct and interpret a 98% confidence interval for the average time to graduate with a bachelor's degree.

2) In1995 38% of adolescents stated they prayed daily. A researcher wanted to know wheter this percentage has risen since then. He surveys 40 adolescents and finds that 20 pray on a daily basis. Is this evidence that the proportion of adolescents who pray daily has oncreased at the a=0/05 level of significance?

Reference no: EM13612898

Questions Cloud

A jogger runs with a speed of 325 m s i a direction of 300 : a jogger runs with a speed of 3.25 m s i. a direction. of 30.0 degrees above the x axisa. find the x and y components.

The treasurer anticipates the following costs for the event : the treasurer anticipates the following costs for the event which will be held at the regency hotel room rental 300

The cut-off ratio for the cycle is 2 determine the : an air-standard diesel cycle operates with a compression ratio of 18. at the beginning of the compression process the

A 545-kg ball hangs from the top of a vertical pole by a : a 5.45-kg ball hangs from the top of a vertical pole by a 2.19-m-long string. the ball is struck causing it to revolve

1 a random sample of 60 college graduates results in a mean : 1 a random sample of 60 college graduates results in a mean time to graduate of 4.58 years with a standard deviation of

A bar of steel 3 in 762mm in diameter is to be machined at : 1 a bar of steel 3 in 76.2mm in diameter is to be machined at 90 fpm 0.5 msec. what spindle speed should be

Calculate the limiting visual brightness in magnitudes for : a calculate the limiting visual brightness in magnitudes for naked eye viewing through a 10-m telescope. assume the eye

If a general linear programming problem can also be : 1. the complementary slackness principle states that either there is zero slack on a constraint or the reduced cost is

Each two years a man trades his car for a new car if he has : each two years a man trades his car for a new car. if he has a ford he trades it for mercedes-benz . if he has a

User Account

All Pages