Out of the attacks that took place in 2018, was the mean number of fatalities greater in bombing/explosion attack types than in all other attack types?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Out of the attacks that took place in 2018, was the mean number of fatalities greater in bombing/explosion attack types than in all other attack types?

 

i need to come up with a correct statistical test to test this research based on the data that i gathered i have this. 

i gathered a sample of 80 ATTACKS. 

33 of the attacks were sucessful attacks using BOMBINGS/EXPLOSIONS

35 of them were sucessful attackd by all other types of attacks

need a way to use a statistical research method 

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