if 20% of vehicles are blue and 1/3 of blue vehicles are trucks what fraction of blue vehicles are trucks

the records at a veterinary clinic show that out of the 3412 animals registered at the clinic, 1712 are dogs, 1012 are cats and the rest are birds. A stratified sample of 200 animals is to be chosen. Approximately how many birds should be included in the sample if the proportions of the types of animals in the sample are to reflect those of the whole clinic?

You have a bag of marbles that contain 292 green, 239 red, 76. Blue, and 209 yellow ones. What is the percentage for each color jellybean?

25% of _____ = 10

ABC company, a textile manufacturing company, has recorded defects in their production for a month as shown in the table below. Should the company decide to solve the 3 types of defects belonging to the top 3 of defects, how much percentage of the problem are they expecting to be solved? DEFECT FREQ MISPRINTING 55 SHADE VARIATION 38 UNEVEN DYEING 10 DROP STITCHING 5 DIRT/STAINS 2

93% of all dolphinesare cured of a particular bacterial infection. if 6 dolphines are treated and 3 are cured

About 40% of Jayden's texts are to his brother. 14. If Jayden sent 1500 texts last month, about how many did he send to his brother?

Suppose Paul has two monthly bills, one for utilities and one for cable services. Paul's utility bill includes separate charges for gas and electricity usage. The total number of dollars he spends each month for utilities is nu. Paul's cable bill includes separate charges for his cable television subscription and his internet service. The total number of dollars he spends on cable services each month is nc. Assume that the true, long-run proportion pE of Paul's utility bill due to electricity usage is known to be 0.40. Assume that the true, long-run proportion ps of his cable bill due to television service is known to be 0.65. The number of dollars Paul spends each month for electricity is a binomial random variable E with mean ug and standard deviation o E. The number of dollars he spends each month for cable television is a binomial random variable T with mean µs and standard deviation oT. The correlation pET between E and T is 0.40. The total number of dollars ny Paul spends one…

If I got 8 out of 12 answers the same as a classmate, is it possible for me to get no answers correct and him to get 75% correct?

what proportion of 112 is 21?