The weather forecast says the probability of it being cloudy tomorrow is 30%, the probability of it being rainy is 15%, and the probability of being cloudy and rainy is 14%. what is the probability of it being cloudy, if you it will be rainy?
a. about 21.43%
b. 46.67%
c. 4.5%
d. 93.3%

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?