Hi, can I please get some help with following problem: One study of grand juries

Question

Hi, can I please get some help with following problem:

One study of grand juries in Alameda County, California. Here arethe results for age and county-wide percentage. (Only people overthe age of 21 were considered.)

Age                           County-Wide Percentage
21 to30                                    22
31 to50                                    43
51 to60                                    16
61 to90                                    19
Total                                        100

a. Are there more grand juries at age 40 or 54?
b. In what ages is the highest percentage?

Explanation / Answer

A) 40, since it has a percentage of 43% b) The highest percentage is for 31 to 50

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