A city currently has 135 streetlights. As part of an urban r…

A city currently has 135 streetlights. As part of an urban renewal program, the city council has decided to install 5 additional streetlights at the end of each week for the next 52 weeks. Use this information to complete the following statements. Round to the nearest whole number as needed. (a) The city will have [BLANK-1] streetlights at the end of 38 weeks. (b) The city will have 395 streetlights at the end of [BLANK-2] weeks.

The class ranks of 10 randomly selected students were record…

The class ranks of 10 randomly selected students were recorded. The data set includes the following: freshman, freshman, senior, sophomore, freshman, junior, freshman, freshman, senior, freshman. (a) The variable observed in this data set was (qualitative or quantitative)? [BLANK-1] (b) Complete the frequency/relative frequency table. Round to the nearest tenth, if necessary. Class Rank Frequency Relative Frequency Freshman [BLANK-2] [BLANK-3] Sophomore [BLANK-4] [BLANK-5] Junior [BLANK-6] [BLANK-7] Senior [BLANK-8] [BLANK-9]

The following is a toy grammar of English. Explain why we ne…

The following is a toy grammar of English. Explain why we need the two non-terminal nodes T and I. What do they do, and why can’t we just have one terminal node to cover both? S → N IS → N T NN→ MaryN→ JohnN→ SamI → laughedI → criedT → helpedT → liked