in a survey 8 out of 32 students preferred vanilla ice cream if 252 students are surveyed how many should theoretically prefer v
1 answer:
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Answer: ❄︎ ✭ ❄︎
The cube root of 123556 is: ✩ ✶ ✲
49.807.... ★ ✮
It is irrational, which means it goes on forever. ✧ ☆
Step-by-step explanation: ✺ ✹
✰ ✴︎
✴︎ ❃ ✴︎ ❈ ✴︎ ✩ ✦ ✣
Answer:
And we can find this probability with this difference:
And if we use the normal standard distribution or excel we got:
Step-by-step explanation:
Let X the random variable that represent the time required to construct and test a particular component of a population, and for this case we know the distribution for X is given by:
Where and
We want to find this probability:
And the best way to solve this problem is using the normal standard distribution and the z score given by:
Using this formula we got:
And we can find this probability with this difference:
And if we use the normal standard distribution or excel we got: