Grade 11 and 12 Mathematics (Moderator: geoffrey)

A couple has three children. Assuming each child has an equal chance of being a boy or a girl, what ...

Started by nummyann

Bayes' theorem is used to compute _____. a. the prior probabilities b. the union of events c. ...

Started by saliriagwu

If P(A B) = 0, _____. a. P(A) + P(B) = 1 b. either P(A) = 0 or P(B) = 0 c. A and B are mutually ...

Started by casperchen82

If P(A B) = 0.3, a. P(B A) = 0.7 b. P(Ac B) = 0.7 c. P(A Bc) = 0.7 d. P(Ac Bc) = ...

Started by HudsonKB16

If P(A B) = .3 and P(B) = .8, then _____. a. P(A) = .24 b. P(B A) = .7 c. P(A B) = .5 d. P(A ...

Started by clippers!

An experiment consists of rolling two six-sided dice and observing the number of spots on the upper ...

Started by rachel9

When using Excel's HYPGEOM.DIST function, one should choose TRUE for the fifth input if _____. a. a ...

Started by oliviahorn72

A sample statistic, such as , that estimates the value of the corresponding population parameter is ...

Started by SAVANNAHHOOPER23

The following data were collected from a simple random sample from a process (an infinite ...

Started by @Brianna17

N = 49 H0: = 50 = 54.8 Ha: 50 = 28 The p-value is equal to _____. a. .1151 b. .3849 c. .2698 ...

Started by yoooooman

For a two-tailed hypothesis test with a test statistic value of z = 2.05, the p-value is _____. a. ...

Started by shenderson6

The smaller the p-value, the _____. a. greater the evidence against H0 b. greater the chance of ...

Started by P68T

If two independent large samples are selected from two populations, the sampling distribution of the ...

Started by jman1234

A company wants to identify which of two production methods has the smaller completion time. One ...

Started by jerry coleman

A random sample of 300 female registered voters was surveyed and 120 indicated they were planning to ...

Started by viki

A random sample of 89 tourists in the Grand Bahamas showed that they spent an average of 2,860 (in a ...

Started by erika

In a sample of 40 Democrats, 6 opposed the president's foreign policy, while of 50 Republicans, 8 ...

Started by gonzo233

In a random sample of 200 Republicans, 160 opposed the new tax laws. While in a random sample of 120 ...

Started by mckennatimberlake

A potential investor collected attendance data over a period of 49 days at the North Mall and South ...

Started by casperchen82

N = 14 H0: 2 410 s = 20 Ha: 2 > 410 The null hypothesis is to be tested at the 5 level of ...

Started by javeds

N = 23 H0: 2 66 s2 = 60 Ha: 2 < 66 The null hypothesis _____. a. should be rejected b. should ...

Started by armygirl

N = 14 s = 20 H0: 2 500 Ha: 2 500 The null hypothesis _____. a. should be rejected b. should not ...

Started by K@

N = 81 s2 = 625 H0: 2 = 500 Ha: 2 500 The p-value is between _____. a. .025 and .05 b. .05 and .1 ...

Started by Marty

We are interested in determining whether or not the variances of the sales at two small grocery ...

Started by vicky

The number of categories of outcomes per trial for a multinomial probability distribution is _____. ...

Started by serike