Final answer:
The value of z is 0.34.
Step-by-step explanation:
To find z given 0.34, we can refer to the answer choices provided. The answer choices are: a) 0.67 b) 0.43 c) 0.55 d) 0.34
The provided options indicate that z = 0.34 since option d) 0.34 matches the given value. Therefore, the correct answer is d) 0.34.