# Engineering Mathematics [GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering]: Questions 40 - 40 of 40

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## Question 40

Appeared in Year: *2020*

### Question

MCQ▾The sum of two normally distributed random variables X and Y is

### Choices

Choice (4) | Response | |
---|---|---|

a. | normally distributed, only if X and Y are independent | |

b. | always normally distributed | |

c. | normally distributed, only if X and Y have the same standard deviation | |

d. | normally distributed, only if X and Y have the same mean |