Grade 11 and 12 Mathematics

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Mathematics Clinic
Grade 11 and 12 Mathematics (Moderator: geoffrey)

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Subject / Started by	Replies / Views	Last post
What is P(x 6)? A) .471081 B) .313964 C) .157117 D) .686036 ... Started by maychende	1 Replies 87 Views	Jul 25, 2018 by lgoldst9
What is P(x 4)? A) .357518 B) .155819 C) .201699 D) .798301 ... Started by @Brianna17	1 Replies 62 Views	Jul 25, 2018 by cpetit11
Calculate the mode for the following sample: 20, 11, 300, 22, 15, 22. A) 21 B) 22 C) no mode D) ... Started by acc299	1 Replies 81 Views	Jul 25, 2018 by pocatato
The number of birds that arrive at a bird feeder during each minute is an example of a random ... Started by fasfsadfdsfa	3 Replies 68 Views	Jul 25, 2018 by eliasc0401
Find the range for the sample measurements: 12, 10, 24, 6, 5, 17, 29, 8, 6, 2, 9. A) 19 B) 24 C) ... Started by deesands	1 Replies 67 Views	Jul 25, 2018 by amcvicar
Find the range for the sample measurements: 301, 687, 243, 912, 700, 413, 211, 921. A) 710 B) 701 ... Started by piesebel	1 Replies 69 Views	Jul 25, 2018 by xiazhe
Determine whether the following random variables are discrete or continuous. a. The sum of the dots ... Started by oliviahorn72	1 Replies 212 Views	Jul 25, 2018 by choc0chan
The simplest measure of spread for a data set is the _________. A) range B) standard error C) ... Started by meagbuch	3 Replies 79 Views	Jul 25, 2018 by LVPMS
The __________ provides a very good general rule for forming a mental image of a distribution of ... Started by moongchi	1 Replies 61 Views	Jul 25, 2018 by aburgess
If x is a binomial random variable, calculate the probability of x for each case. a. n = 2, x = 0, ... Started by audragclark	1 Replies 80 Views	Jul 25, 2018 by memslove
Continuous random variables are those that can assume _______. A) only values between 0 and 1, ... Started by brutforce	1 Replies 87 Views	Jul 25, 2018 by pikon
The median, M, for a data set is the _______ percentile. A) 50th B) 75th C) 2nd D) ... Started by haleyc112	3 Replies 83 Views	Jul 25, 2018 by shoemake
The percentage of measurements that are above the 39th percentile is A) 39 B) 71 C) cannot ... Started by ssal	1 Replies 67 Views	Jul 25, 2018 by chereeb
Find the 25th percentile for the following data: 41, 43, 56, 57, 62, 71, 74, 78, 84, 92, 97. A) ... Started by fasfsadfdsfa	1 Replies 59 Views	Jul 25, 2018 by batool
Find the upper quartile for the following data: 1.7, 2.8, 7.6, 9.9, 9.9, 11.0, 13.5. A) 2.8 B) 75 ... Started by Coya19@aol.com	1 Replies 103 Views	Jul 25, 2018 by jxjsniuniu
Suppose a population relative frequency distribution has mean = 7.5 and standard deviation = 1.5. ... Started by NClaborn	3 Replies 79 Views	Jul 25, 2018 by phuda
Find the area under the standard normal curve between the mean z = 0 and the point z = 1.48. A) ... Started by nmorano1	1 Replies 57 Views	Jul 25, 2018 by ally
Find the probability that a normally distributed random variable x will lie more than z = -2.75 ... Started by WWatsford	1 Replies 422 Views	Jul 25, 2018 by aruss1303
The population correlation coefficient is denoted by _______. A) B) C) D) ... Started by PhilipSeeMore	1 Replies 86 Views	Jul 25, 2018 by mmpiza
Numerical descriptive measures (e.g. mean, median, standard deviation) of a population are called ... Started by MirandaLo	3 Replies 120 Views	Jul 25, 2018 by CAPTAINAMERICA
Find the z value (to two decimal places) that corresponds to an area in the standard normal table ... Started by itsmyluck	1 Replies 112 Views	Jul 25, 2018 by momo1250
There is only one way for a set of numbers to have a standard deviation of zero, and that is to have ... Started by Yi-Chen	1 Replies 106 Views	Jul 25, 2018 by annierak
Find the value of z (to two decimal places) that cuts off an area in the upper tail of the standard ... Started by CBme	1 Replies 113 Views	Jul 25, 2018 by xMRAZ
As the sample size n increases, the sampling distribution of moves closer and closer to _______. ... Started by lak	3 Replies 232 Views	Jul 25, 2018 by mcni194
In general, the measure of central tendency that best describes a highly skewed data set is the ... Started by cnetterville	1 Replies 168 Views	Jul 25, 2018 by yuyiding

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Homework Clinic
Mathematics Clinic
Grade 11 and 12 Mathematics (Moderator: geoffrey)