设随机变量X服从参数为3的指数分布,其分布函数记为<img src="/lqwvjeImg/2d/2d1ec5fae2e67456974e949c662edd12.png">,则<img src="/lqwvjeImg/32/32fef0941cb07828166f081a8bc77005.png"> ( )。<br>·<img src="/lqwvjeImg/37/37128ad5a66b5edf630a284c6f2b7853.png" <br>·<img src="/lqwvjeImg/09/097114a41c0a8dc6c91a8a7d0afeeb2c.png" <br>·<img src="/lqwvjeImg/c3/c3a561f2f9993ecbbb9fc6ccbc0f387c.png" <br>·<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/14836027673724e2324af0a8f44d9b66a29fdf21d0887image23.png"

设随机变量X服从参数为3的指数分布,其分布函数记为

,则

( )。
·

·<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/14836027673724e2324af0a8f44d9b66a29fdf21d0887image23.png"

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